CM1B Quiz

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Nov 24, 2024

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1B 01 0ws i e Descriptive data analysis The question spreadsheet contains data on the €/€ exchange rate (ie how much 1 euro s worth in terms of pounds sterling)for each day i 2016, A descriptive data analyss is being carried outin order to summaris the key features of the data set () Determine: (a) the highest value of the €/€ exchange rate during 2016 and the date on which this occurred, (b) thelowest value ofthe €/€ exchange rate during 2016 and the date on which this occured (c) the average value of the €/E exchange rate for 2016. (i) Plota graph showing the €/¢ exchange rate each day during 2016, including a ine corresponding to the average exchange rate cakulated in (). i) Calculate the number of days during 2016 for which the €/€ exchange rate s in each of the following ranges: o 07000-07499 o 07500-07999 o 08000-084%9 o 08500-08999 + 0000-09499
CMIB0S:nterest rates Page1 i(p), d(p), d, delta (i) Useaspreadsheet to calculate the values of i (p=2,4,12), ¢ (p=2,4,12), d and & based on an input value of i % . Express your answers as percentages to 3DP. (i) Useaspreadsheet to calculate the values of i) (p=2,4,12), d) (p=2,4,12), & and i based on an input value of d=1.4%. Express your answers as percentages to 30P. CM1B05: nterest rates Pager Accumulated values Alump sum of £100 is invested at time 0. () Determine the accumulated value of the investment at time t=1,2, .... 20 years assuming that the interest rate is 3.2% pa convertible monthly. (i) Determine the accumulated value of the investment at time t=1,2, .... 20 years assuming that the discount rate is 2.3% pa convertible six-monthly. (i) Draw a single graph to show the accumulated values of the investment at time £=01,2,..,20 yearsat an interest rate of 4.5% pa effective a discount rate of 4.5% pa effective an interest rate of 4.75% pa convertible quarterly a discount rate of 4% pa convertible monthly aforce of interest of 4.9% pa.
CM1B.05: nterest rates pager Graphs of i(p) and d(p) (i) Draw agraph based on an effective interest rate of 4% pa to show that i”) tends towards Saspon (i) Draw a graph based on an effective interest rate of 4% pa to show that d') tends towards & as p—or CM1B.05: Interest rates Page1 Simple and effective rates of interest An investment of £1,500 is made at time 0 and a further investment of £2,000 is made at time 5. The investments accumulate at a simple rate of interest of 3% pa. Calculate the total accumulated value at the end of every year for the next 10 years. (i) Determine the equivalent annual effective rate of interest earned over the 10 years using the spreadsheet you created in part (i) and the GOALSEEK function.
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CMIB.08: Levl annuites page1 PV and AV of annuities [0] (i) Use a spreadsheet to calculate the accumulated value at time 12 of an annuity paid annually in advance for 12 years with an annual payment of £150. Use i =4% pa effective. Demonstrate the value obtained using year-on-year accumulations and separately using an annuity formula. Use a spreadsheet to calculate the present value at time 0 of an annuity of payable monthly in arrears for 20 years using a rate of interest of 5% convertible half-yearly, where the annual payment under the annuity is £300. OM18.08:Level annuites Page1 PV of annuities (including change of interest rate) [0] (ii) Payments of £550 are made at times 6 to 15 years inclusive. The effective rate of discount is 3% pa. Calculate the present value of these payments at time 0. Repeat the calculations in part (i) assuming that the rate of discount is now 3% pa from time 0 to time 10 and 3.5% pa thereafter. (CMIB.08: Level annuities page1 pthly annuity (as p increases) Plot a graph to show that Amfi (P=1,23,4,6,12,24) tends towards 400G75] as p—o based on an effective interest rate of 4% pa.
CM18.08: Level annuties Page1 Equating PVs of annuities Determine the effective annual rate of interest for which the accumulated value at time 8 of an ‘annuity which pays £500 at the end of every six months in years 1 to 8 inclusive equals the present value at time 8 of an annuity which pays £900 annually in advance in years 9 to 18 inclusive. CM1B.09: Increasing anntes Page1 Present value of increasing annuities Anincreasing annuity is payable annually in advance for 10 years. The first payment is 100 Calculate the present value of the annuty if: (@) paymentsincrease by 20 each year (b) paymentsincrease by 5% each year. You should assume an effective annual rate of interest of 4%.
CM1B.09:Increasing anntes Page1 Balance of account after increasing quarterly withdrawals Hollie is just about to start a 3-year course at university and has received a gift of £20,000 from a rich relative. She invests this money in an account that pays interest at the rate of 3% pa effective. The account allows a maximum of 4 withdrawals per year. Hollie expects to make withdrawals at the end of each quarter while she is at university (including a withdrawal on completion of her course). She expects her first withdrawal to be £1,000, and that withdrawals will increase by £100 each quarter. (i) Using the above assumptions, calculate the balznce of Hollie's account at the end of her course. (i) Calculate the amount of the quarterly increase that would make Hollie’s balance fall to zero immediately after her final withdrawal. CM18.09: Increasing annuities Page 1 Deferred annuity with variable payments A15-year annuity provides annual payments with the first payment in 4 years’ time. The amount of the first payment is £5,000. The payment amount changes over time in the following wa . Following the initial payment of £5,000, payments increase at a rate of 3% pa compound. « Thereare 6 compound increases of 3% in total. « Thereare noincreases for 3 years thereafter. « Theremaining payments decrease at a rate of 2% pa compound In the calculations sheet, set up a table of cashflows and calculate the present value of this annuity using a rate of interest of 7% pa effective.
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CM1B-10: Equations of value Page1 Solving an equation of value to find the interest rate In return for an investment of £100,000 on 12 June 2016, an investor receives the following cashflows: | Date Cashflow 10ctober 2016 £18,000 31 December 2016 £25,000 [ 1amay2017 £41,500 i 28 September 2017 £15,500 [ s sanvary 2018 £8,000 Calculate the investor's effective annual rate of return, giving your answer correct to the nearest 0.1%. CM1B-11: Loan schecules page Loan schedule, level repayments A business takes out a bank loan of 50,000 to be repaid by level quarterly instalments over 5 years. The annual effective interest rate on the loan is 6%. () Calculate the amount of each quarterly repayment. (i) Setupaloan schedule that includes: . the amount of each repayment « the splitof each repayment between interest and capital . the capital outstanding after each repayment for the whole term of the loan. (i) Using the loan schedule from part (i), determine: (a) the total amount of interest paid over the whole term of the loan (b) theinterest element and the capital element of the 7th repayment () thetotal interest paid and capital repaid in the 2nd year.
Loan schedule, increasing repayments A couple takes out 3 loan of 40,000 to purchase a yacht. As the couple have a low current Income, but are expecting their income to grow in the coming years, they agree to make monthly repayments in arrears for 15 years, where each monthly repayment is 5 higher than the previous one. The annual effective interest rate on the loan is 8%. () By constructing the loan schedule for the whole term of the loan, showing: theamount of each repayment © thesplit of each repayment between interest and capital, and © the capital outstanding after each repayment calculate the amount of the first monthly repayment needed to ensure that the capital outstanding is 0 at the end of the term of the loan. (i) Plota graph showing the capital outstanding at the end of each year of the 15-year term. Comment on your graph. (v) Determine which repayment causes the capital outstanding to fall below 15,000, CMIB 11 Lom scheces page1 APR In order to buy some new bedroom furniture, a woman takes out a loan of 3,000, Under the terms of the loan, the repayment schedule is as follows: © norepayments are made for the first 3 years after taking out the loan, « thenrepayments of 250 are made quarterly in advance for the next 2 years, © followed by repayments of 450 quarterly in advance for the next 3 years. Calculate the APR on this loan.
CM1312 Busines project apprasal Paeet Net present value and internal rate of return Malcolm, an aspiring che, i intending to set up a catering business to sell vegan f0od from a van at festivals. The purchase price of the van is 20,000, and Malcolm estimates that he will incur costs of 3,000 monthly in arrears for 1 year from the date of purchase, as he fits out the van and develops his range of products. One year after purchasing the van, Macolm expects to be able to launch his business and start selling food. He estimates that his net income from his first year of sales will be 9,000, and that this figure willincrease by 4% in each subsequent year. He intends to work all year round, so assumes that this income will be received continuously. Ten years after purchasing the van, Malcolm wishes to retire, and he believes that he will be able tosell his business at that time for 25,000. () Calculate the net present value of the project’s cashflows, assuming an interest rate of 7.2% pa effective. ) Calculate the project’s internal rate of return.
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Comparing projects using net present value and internal rate of return A company is considering investing n one of two projects, A and B. The cashfiows forthe two projects are as follows: Project & « inital outgo of 1,000,000 © further outgo of 400,000 i the midde of Year 1 « income of 500,000 recelved at the end of Yeas 2 10 nclusive Projects « intaloutgo of 800,000 + income of 200,000 received n the middie of Years 1 0’ inclusive © furtherincome of 100,000t the end of Year 5 After 5 years, both projects end and there are no further cashfiows. (3 Calculate the net present value of each project for each annual effective interest rate from 0% to 1% (inclusive), using steps of 0.1%. (6 Hence plota graph showing how the net present value of these projects varies with theinterest rate used to discount the cashflows. (i) Determine the interval of width 0.1% in which: (3) theinternalrate of return for Project A ies. (6) theinternal rate of return for Project B ies. (0 the net present value of Project Als equal to the net present value of Project 8.
Discounted payback period and payback period An employer is considering sending an employee on a training course in order to develop new skl and 5o be more productive to the company. However, the employer i concemed about the costs involved and, in particular, the rsk that the employee willleave before the company has recouped these costs through additional income generated by the employee's work. The training course lasts for 2 years and costs 3,000 per quarter, payable in advance to the training provider. In addition, Guring the 2-year course, the employer will need to allow the ‘employee time off for study and exam leave, costing the employer 20,000 per year in lost productivity, incurred in equal instalments quarterly in arrears. 10 the first year ater the course is complted, the employee will generate total additional revenue of 30,000, received in equal instalments quarterly n arrears. This figure will increase by 4% in each subsequent year. Once the employee has completed the course, the employer will need to increase the employee's remuneration. In thefirst year after the course is completed, the employer will eed 1o pay the ‘employee a total addtional alary of 10,000, payable in equal instaiments quarterly n arrears, ‘and an additional bonus of 1,500 2t the end of the year. The additional saary and bonus are expected to increase by 2% n each subsequent year. Assuming that the employee remains with the company, calculate: () the discounted payback period of the cashflows associated with the employee attending, the training course using an annual effective interest rate of 7% ) the payback period.
Accumulated profit The organisers of an intemational tennis tournament are planning to build a new stadium in their grounds to accommodate additonal spectators and improve tlevision coverage of the even. The stadium will take 3 years to buil. The buding costs will be 6 millio inthe first year of construction, millon in the second year, and 12 millon i the third year. The construction costs are assumed to be incurred monthly i arrears. Construction i scheduled to begin on 1 July 2020, 50 that the new stadium willbe completed and readyfor use on 1 uly 2023 The tennis tournament is held each year inJuly, and the additional et income received at the end of uly 2023252 resultof the new stadiumIs estimated to be 5,75 million. The additionalnet Income received a the end of July 2024 i estimated 1o be 6.5 millon, with an increase of .75 mitlon expected in each subsequent year. I other months during the year, when the new stadium is ot used for the tournament, the maintenance cost s assumed to be 0.05 million, incurred atthe end of each month, with the first such costincurred atthe end of August 2023 I order to fund the stacium's construction, the tournament organisers ntend to take out an interest.onl loan of 33 millon. At the end of each month, the organisers must pay interest on the loan amount,calculated using a monthly effectiveinterest rate o 1%. The loan must be repaid in full aiter 10 years, with no early repayment option. The 33 million from the oan wil b received on 1 July 2020 and placed in 2 bank account that pays interest at a rate of 0.85% per month effective. Al cashflows associated with the project re paid nto, or out o, this bank account. By projecting the balance of this bank account,calculate the accumulated profit of the new stadium for the toumament organisers on 1 uly 2030, after the loan has been repaid
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Price of a property An investor is considering buying a property with the intention of renting it out. Rent will be payable monthly in advance, with the first payment expected to be recerved exactly 3 months after the purchase date. The initial level of rental income is expected to be £800 per month. Rent is expected to increase at two-yearly intervals at the rate of 1.5% pa compound. After letting the property for 10 years, the investor intends to sell it and expects to achieve a sale price of £500,000. Construct a schedule of income payments and hence calculate the price the investor should pay 1o achieve a rate of return of 5% pa effective. CM1313:Bonds equiyand property [ Fixed-interest security A fixed-interest security was issued on 1 January in a given year. The security pays coupons of 4% pa half-yearly in arrears. It is redeemable 5 years after issue at the rate of 102% and has a 8ross redemption yield of 4.5%. An investor buys £10,000 nominal of the security on the issue Gate. The investor is subject to tax on income at the rate of 40% and tax on capital gains at the rate of 25%. Income tax is paid on coupons at the end of the calendar year in which the coupon is received. Capital gains tax is paid immediately on sale o redemption. () Inanew sheet named ‘Price’, calculate the price at issue of £10,000 nominal of the security. Three years after buying the security, the investors rate of income tax increases to 41%. (i) Inanew sheet named ‘Cashflows', create a schedule of the investor’s net income payments assuming that the bond is held until redemption. i) Inanew sheet named "Yield', calculate the effective net yield earned by the investor as a result of holding this security unti the redemption date. You should give your answer to the nearest 0.1%.
CM18-13: Bonds, equityand propety page1 Fixed-interest security with optional redemption date A fixed-interest security pays coupons of 6% po annually in arrears. Capital is to be redeemed at par on a coupon date between 5 and 10 years (inclusive) after the issue date. The date of redemption is at the option of the borrower. Aninvestor, who is subject to income tax at the rate of 20% but is not subject to capital gains tax, purchases the security on the issue date. () Create a schedule of the cashfiows that the investor will receive per £100 nominal of the stock assuming that it s redeemed at the earfiest possible redemption date, and calculate the total present value of these cashflows using an interest rate of 5% pa effective. (i) Extend the schedule in part () to calculate the present value of the investor's cashflows. for each possible redemption date using an interest rate of 5% po effective. (i) State with reasons the maximum price the investor should pay per £100 nominal in order 10 obtain a net yield of at least 5% pa effective.
Real and money rates of return An investor bought 1,000 shares at a price of 432p per share on 1 July 2014 and sold the shares for 486p each on 30 June 2018 jus after receving a dvidend. The following dvidends were paid on 30 June each year 30June inyear Dividend per share (5) 2015 161 2016 164 2017 0 2018 s These values are given n the question spreadsheet for this unt (along with the values of the price index referred toin pat (1) below). () Construct aschedule showing the investor's cashflows and hence calculte the money. rate of return achieved by the investor. The values of the retai price Index on each 30 June between 2014 and 2018 were asfollows 30June inyear Retai price index 2014 1ma 2015 1256 2016 1290 2007 1m7 208 1368 (i) Using the retal price index values shown n the table, calculte the real rate of return per annum effective achieved by the investor.
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CM18-13: Bonds, equiyand property [ Index-linked bond In March 2010, the government of country issued an index-inked bond with a term of 6 years. Coupons were payable half-yearly in arrears at the nominal rate of 2.5% po. The nominal redemption rate was 100%. Interest and capital payments were linked to the value of an inflation index with a time lag of 2 months. Atax-exempt investor purchased £10,000 nominal atissue and held it to redemption. The issue price was £96.50 per £100 nominal Values of the inflation index are given in the question spreadsheet for this unit. () Construct a schedule of the investor's cashflows, showing the amount and month of each cashfiow. Determine the annual effective real yield obtained by the investor to the nearest 0.1%.
€181 Term st o et rtes [ Spot rates, forward rates and par yield An economist believes that the n-year spot rate, , , wil be given by the formula: Va=003+0.020-000150% forn= 0 over the next 10 years () (@) Calulate the spot fates yy Vameu¥io (b) Plota graph of these spot rates The 1-year forward rate applying from time ¢ to time ¢+1 is denoted by f; i (a) Calculate the 1-year forward rates fo, f, ..., fy implied by the spot rate formula, () Plota graph of these forward rates. A 10-year fixed-interest bond pays coupons annually in arrears. The coupon rate is 4% pa for the first 5 years and 6% pa for the following 5 years. The redemption rate is 110%. (i) (a) Calculate the price for 100 nominal of this bond. (b) Hence calculate the bond's gross redemption yield. () Calculate the 8-year par yield.
M8 14 Term st o ot rtes [ Discounted mean term and convexity A company has a liability to make payments at the end of each year for the next 40 years. The annual payment s 100,000 for the first 4 years, and at the end of each 4-year period the annual payment amount is expected to increase by 10%. The annual effective interest rate is 5% for the whole of the period. Calculate: (3) the total present value (b) the discounted mean term (OMT), and (9 the convexity of the company's liability cashflows. ‘The company revises s assumption on the 4-yearly increase factor from 10% to 15%. Calculate the revised DMT. (i) Explain why the DMT has changed in the way that it has done.
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M8 14 Term st o ot rtes Page1 Immunisation A company must make payments at time ¢ of: for £=5,6,7, 50,000+ 750(t -5) 0 years. Galculae: o thetotal present value o thevolatity, and o theconverty of the payments the company must make, assuming that the annual effective interest rate s 2:5% for the whole of the period. n order to meet s labilties, the company is considering purchasing 884,200 nominal of a 12.26-year zero-coupon bond. (i) (i) Calcuiate: o thepresentvalve o thevolatity, and o the convexity of the zero-coupon bond payment, again assuming that the annual effective interest rate s 2:5% for the whole of the period. Calculate the difference in value between the present value of the asset cashflow (ie that from the zero-coupon bond) and the present value of the liability cashflows if the interest rate changes immediately to: @ 2% () 3% Explain your results to in the context of Redington's conditions for immunisation.
1815 The Lt Tae paeet Ultimate mortality table Use the question spreadsheet to answer the following question. (i) (i) (iv) On the ‘Life Table’ tab, calculate AM92 Ultimate I, and d, values for ages X=17,18,...120, using the Ultimate mortality probabilities given on the ‘Mortality rates’ tab, and having a radix of Iy, =10,000 Inthe ife table worksheet constructed in part (i), add a further column showing the force of mortality over each integer year of age [x, x+1], assuming the force of mortality is constant over each year of age Use the life table constructed in part () to calculate the following values: @ sh R © e © e Copy your spreadsheet from part (i) onto a new tab and adapt the e table 5o that it reflects the following mortality basis: 4, =08g/M2 where: M52 = mortalty rate from the AM92 Ultimate table Hence recalculate the values in part (i) on the revised basis.
1815 The Lt Tae [ Select mortality table Use the question spreadsheet to answer the following question. () Onthe Life Table’tab, in the relevant column calculate AMO2 Select .31 values for ages x=18,19,..91, using the given Ultimate Iy values and the relevant mortaity probabiltiesfrom the Mortaiy rates’tab. (i) Using the hyy}.q and I, values, in the relevant column calculate the associated values of L Calculate AM92 Select f and dy,) values in a similar way to parts () and (i), for ages Xx=17,19,..90. (iv) Use the select ife table constructed in part () to calculate the probabilties of the following events: (a) @ select lfe currently aged exactly 64 i stillalive five years later (b) alife who was selected one year ago when aged exactly 45, dies within the next 18years () alifeaged exactly 41, who was selected one year ago, is stil live in 9 years’ time butis dead by age 57 (@) aselect life who s currently aged exactly 63 dies in the coming year (e) aselect life who s currently aged exactly 63 dies between exact ages 64 and 65 () aselectlife who s currently aged exactly 63 dies between exact ages 65 and 66.
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Temporary annuities Use the question spreadsheet to answer the following question. Use the mortality functions on the ‘Life Table' tab where appropriate. i) i) 0na new tab, calculate the expected present value (EPV) of level temporary immediate annuity, paying 100 at the end of each year for 15 years or unti the earler death of alife currently aged exactly 62 n order to perform the calculation, create columns showing: (1) the amount of payment made in year t (2) the amount by which that payment is discounted (3) the probability of the payment being made. ‘The interest rate should be an input variable. Basis: AMS92 Ultimate Interest: 3% pa effective Use the spreadsheet in part (i) to calculate the EPV of the following temporary immediate annuities (all with payments at the end of each year for 15 years or untilthe death of (62), if eariier), and using the same mortality and interest basis: (3 first payment of 100, increasing by a level amount of 10 each year (o) first payment of 100, increasing by 2% pa compound () level payments of 100 for ten years, followed by payments of 300 for the remaining five years. Recalculate the value of the level temporary annuity in part () usi 4% po effective. an interest rate of
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(i) Term assurances. Use the question spreadsheet to answer the following question. Use the mortality functions on the ‘Life Table' tab where appropriate. On a new tab, calculate the expected present value (EPV) of a 15-year level term assurance, paying 100,000 at the end of the year of death of a lfe currently aged exactly 47. As part of your calculation, reate three columns showing: (1) the amount of payment made in year t (2) the amount by which that payment is discounted (3) the probability of the payment being made. Basis: AMS92 Select Interest: 2% pa effective Copy the spreadsheet from part (i) as required, and adapt it to calculate the EPV of each of the following term assurances (all with payments at the end of the year of death of a select ife currently aged 47 exact, within a term of 15 years), and using the same. mortalty and interest basis: () 150,000 on death in the first year, decreasing by a level amount of 10,000 each Year (50 the benefit on death in the final year is 10,000) () first payment of 75,000, increasing by 3% pa compound (@) the amount on death i equal to the amount of capital outstanding at the start of the year of death, on a 15-year mortgage of 150,000 serviced by level annual repayments (made in arrear) at a mortgage interest rate of 4% pa effective.
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Endowment assurances Use the question spreadsheet to answer the following question. Use the mortality functions on the ‘Life Table' tab where appropriate. (i) On a new tab, calculate the expected present value (EPV) of a 20-year endowment assurance, paying 50,000 immediately on death of a life currently aged exactly 36. In order to perform the calculation, create three columns showing, for each of the 20 possible years of death, and for the year of maturity separately: (1) the amount of benefit payment each year (2) the amount by which that payment is discounted (3) the probability of the payment being made. Basis Mortality: AM92 Select Interest: 3.5% pa effective Copy the spreadsheet from part () as required, and adapt it to calculate the EPV of each of the following with-profits endowment assurances, assuming the same mortality and interest basis. Each contract has a basic sum assured of 50,000, a term of 20 years, with the sum assured and bonuses payable on survival to the end of the term or immediately on earlier death of (36). () Simple reversionary bonus of 2% pa vesting in full at the start of each year. No terminal bonus. (b) Simple reversionary bonus of 2% pa vesting in full at the end of each year, plus a terminal bonus equal to 40% of the reversionary bonuses attaching at the time of claim. (@) Compound bonus of 1.25% pa, vesting in full at the end of each year, plus a terminal bonus equal to 2xt% of the sum assured and reversionary bonuses attaching at the time of claim, where t is the exact duration of the policy (including any fractions of a year) at the time of claim. (@) As(c) except that, after 10 years, the reversionary bonus is assumed o reduce to arate of 1% pa compound, and the terminal bonus rate reduces to 1.75x% . The first reversionary bonus to be declared at the new rate is the one declared at the end of the tenth year le at exact duration 10), and the new revised terminal bonus rate applies to all death and maturity benefits payable after time 10, (e) Super-compound bonus at rates of 1% pa of the sum assured and 4% pa of the attaching bonuses. Bonus vests in full at the end of each year. No terminal bonus,
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€132 Gross premiums paeet Endowment assurance Use the question spreadsheet to answer the following question. Use the mortality functions on the ‘Lfe Table’ tab where appropriate. An endowment assurance with an 18-year term will pay a sum assured of 75,000 at the end of the term, or at the end of the year of death of a ife currently aged exactly 37, if earler. Level annual premiums are payable at the start of each year whille the policy is in force. ‘The insurance company uses the following basis for the calculation of gross premiums: Mortality: AM92 Ultimate Interest: 3% pa effective Expenses nital 05%of the sum assured Renewal: 38 pa payable at the start of each year except the first Claim 350 paid at the time of claim (either on death or maturity) Commission Initial: 20% of the first annual premium Renewal: 2% of each subsequent annual premium (i paid at the start of each year except the first) () Calculate the gross annual premium for the contrac. Hint: make the interest rate and the premium input variables in your spreadsheet. (i) Recalculate the premium assuming the effective interest rate is (2) 2% pa and (b) 4% po. Give a brief explanation of the results obtained.
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With-profits gross premium Use the question spreadsheet to answer the following question. Use the mortalty functions on the ‘U Table’ tab where appropriate. Awith-profits endowment assurance with a 20-year termis to be ssued 10 a fe aged exactly 42. The basic sum assured willbe 56,000, and the company expects to declare simple reversionary bonuses of 2% of the sum assured each year. Bonuses wilvest at the end of each year, and the sum assured plus al declared bonuses wil be paid out at the end of the term or immediately on earier death. The contract will be subject o level annual premiums payable at the start of each year. The insurance company uses the following basisfor the caculation of s premiums: Moraliy: AM92 Select Interest: 3% po effective 00 Payable a the stat of each year except the first, beginning at the level o 40 a the start of year 2 and nflating at the rate of 15% po thereatter. claim: The current rates are 200 on death and 300 on maturity. These amounts are assumed 1o infate at the rate of 1.5% pa from the policyinception date. Expenses Commission nita 25% of the first annual premium Renewal: 1% of each subsequent annual premium ie paid at the start of each year except the firs) Calculate the gross annual premium for the contract Hint: make the premium on input voriable in your spreadsheet.
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Level temporary annuity Use the question spreadsheet to answer the following question. Use the mortality functions provided. Atemporary immediate annuity-due with a 15-year term makes level payments of 10,000 po. Payments will be made for the whole 15 years or until the death of the policyholder, if earier. The policyholder s aged exactly 65 at outset. ‘The insurance company uses a prospective formula and the following basis for the calculation of its premiums and reserves: Mortality: PMA92C20 Interest: 3% pa effective Initial expenses: 500 Regular expenses: 25 paid at the start of each year except the first () intab (), the column headed ‘EPV* s already populated with values of the form: V' epes Where ¢ isthe time at which the payment is made. (a) Using this column of values, or otherwise, populate the column headed ‘annuity- due factor” with values of the form: Clcurent age) fremaing erm]| (o) Calculate the prospective gross premium reserve for this policy at each policy duration from 0 to 14 inclusive (noting that the reserve at duration 0 i calculated immediately before the premium and expense that are due at that time). Assume for this purpose that the single premium is 100,000. You may use the annuity factors from part () or any other suitable method. () Calculate the single premium (to the nearest whole unit) that will make the prospective reserve at duration 0 equal to zero. (@) Plotagraph of the resulting reserves at each duration. (e) Describe and briefly explain the pattern of reserve values you have calculated. (i) Recalculate the reserves (and plot the graph) assuming an interest rate of 2.5% pa instead of 3% pa. The single premium should be kept the same as before. Describe and briefly explain the impact that this change in the interest assumption has on the reserves.
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18 21: Reseves page1 Retrospective accumulations Use the question spreadsheet to answer the following question. Use the mortality functions provided. The insurance company uses the following basis to calculate retrospective accumulations: Mortality: PMA92C20 Interest: 3% pa effective Aman aged exactly 65 is considering taking out some kind of lfe insurance policy. 1] i) (i) () Under one type of policy, premiums of 1,000 pa will be paid for 15 years or until the man's death, if this occurs sooner. On tab (i) calculate the retrospective accumulation of these premiums at the end of the policy term. The man is considering taking out a term assurance policy, under which a benefit of 10,000 will be paid immediately on his death, f this occurs within the next 15 years only. Calculate the retrospective accumulation of these benefit payments at the end of the policy term. The man i also considering whether to take out a full endowment assurance, which will pay 10,000 at the end of the 15 year term or immediately on earlier death. Calculate the retrospective accumulation of these benefit payments at the end of the policy term. Recalculate part (i) assuming an interest rate of 4% po, and explain the answer you obtain.
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Endowment assurance Use the question spreadsheet to answer the following question. Use the mortalty functions on the ‘U Table’ tab where appropriate. An endowment assurance with an 18-year term has a sum assured of 75,000, which is payable at the end of the term or immediately on ealier death. The policyholder was aged exacty 37 at entry. Level annual premiums of 3,380 are payable at the startof each year. The insurance company uses a prospective formula and the folowing basis for the calculation of its reserves: Mortaly: AM92 Ultimate nterest 2% pa effective Inital expenses 500 Regular expenses: 40 paid at the start of each year exclucing the first Inital commission: 20% of the frst year's premium Renewal commission: 2.5% of each annual premium except the first Claim 300 paid at the time of clam (either on death or maturity) 0 The follows tab. alculations should be carried out using the prepared table on the 2% int (2) Inthe column ‘annuity-due factor’, calculate annuity values of the form: - You can start by entering the value i 5)=0 for policy duration 18. The value at duration 17 can then b cakculated as 2 function of the duration 18 value. This should lead t0.3 recursive formuta which you should be able to copy back up the column 50,2 o populate the entries at all ags. (Other approaches are possible.) (6) Usea simitar recursive approach (or other suitable metho) to populte the Values in the ‘endowment assurance factor’ tab. These factors should be of the form: ) starting with the vlue & 11 forpocy duration 16 (6) Use these factors as appropriate o calculate the prospective gross premium reserve for this polcy at each policy duration from 0 to 18 incusive (noting that the reserve at duration 18 s calculated immediately before the payment of the maturity benefit thatis then due, and the reserve at duration 0 s calculated immediately before the premium and expense that are due at that time).
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‘company wnen caicuiateo at te vanous aerent interest rates
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- e Level term assurance Use the question spreadsheet to answer the following question. Use the mortaliy functions and the annuity factors given on tab () where approprite. Aterm assurance with an 18-year term has sum assured of 100,000, which i payable immediately on death during the policy term. The policyholder i aged exactly 37 at entry. Level annual premiums of 230 are payable at the start of each year The insurance company uses a prospective formula and the following basis for the calcuiation of itsreserves: Mortalty: AMS2 Uitimate Interest: 3% po effective Initial expenses: 500 Regular expenses: 25 paid at the start of each year excluding the first Initial commission: 1% of the frst year's remium Renewal commission: 1.5% of each annual premium except the first Claim: 400 paid at the time of claim () The following calculations should be carried out using the prepared table on tab (). The column headed ‘annuity-due factor aready contains values of the form B curent e} o] (3) I the column ‘term assurance factor’, calculate term assurance values of the form: Acurert ge}: Femamngrera] You can start by entering the value A, =0 for polcy duration 18. The formula to cakulate the value at duration 17 should be entered. The value at duration 16 can then be calculated 25 function of the duration 17 value. This should lead to a recursive formuia which you should be able to copy back up the columin s0.2s to populate the entries at alldurations. (6) Use the factors as appropriate to calculate the prospectve gross premium reserve forths policy at each policy duration from 0 to 18 inclusive (noting that the reserve at duration Ois cakculated immediately before the premium and expense that are due at that time). (©) Plotagraph of the reservesat each policy duration calcuated in part (b), (6) Describe and briefly explain the pattern of reserve values you have calculated.
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[0} 8y making duplicate copies of tab (), and amending them as required, use your spreadsheet to recalculate the reserves including the graphs) assuming the following altermative assumptions (considered separately): () 2%poeffective (6] The inta, regular and ciaim expenses are al increased by SO%. () Mortality rates are increased by 50% at each age. Describe the effect o the change in assumptions on the reserves, and comment on the sensitivity of the reserves to the different assumptions forths contract. Hint for () reconstruct the ultimate mortaity table using odjusted g, mortalty rates.
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Decreasing term assurance Use the question spreadsheet to answer the following question. Use the mortalty functions and the annuity and assurance factors given on tab () where approprate. A decreasing term assurance with a 20-year term pays 100,000 immediately on death during the firstyear of the policy. The sum assured then decreases by 5,000 each year 50 that the amount payable on death in the 20th year is 5,000. The policyholder is aged exactly 40 at entry. Level ‘annual premiums of 150 are payable at the start of each year throughout the term. The Insurance company uses a prospective formula and the folowing basis for the calculation of its reserves: Mortalty AM92 Ultimate Interest 3% po effective Initial expenses: 300 Regular expenses: 25 paid at the start of each year excluding the first Inital commission: 5% of the frst year's premium Renewal commission: 1.5% of each annual premium except the first Claim: 300 paid at the time of claim () The following calculations should be carried out using the prepared table on tab (). The column headed "annuity-due factor already contains values of the form: {curen s} Fomamng o] and the column headed ‘level assurance factor’ contains values of the form: leurrent age} [remaning term] (3) I the column ‘increasing assurance factor’, calculate increasing term assurance Values of the form: Bcuen e Temamegrom] for policy duration 20. The value You canstart by entering the valve ()} o at duration 19 s equal to &% 1 /e th levelterm assurance factor. The value at duration 18 can then be calculated as function ofthe value at duration 19, and of the level term assurance factor at duration 18. This should lead t0. recursive formula which you should be able to copy back up the column 50 35 to populate the entries at all durations.
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[0} term, which would cause al cover under the policy to be terminated ) The insurance company has decided to redesign the policy so that the premiums are paid for a maximum of 15 years or unti earber death), (3) Amend the spreadsheet 5o that premiums are payable according to the new product design (6 Calculate the premium (to the nearest whole unit) that would need to be paid under the redesigned policy that gves the same reserve value at outset as the initialdesign. () With the aid of a graph, describe and briefly explan the revised pattern of reserves for the new product design. (@) Discuss briely the extent to which the dffculies due to lapses have been resolved by redesigning the contract in this way.
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Retrospective reserves endowment assurance Use the question spreadsheet to answer the following question. Use the mortality functions and the annuity factors given on tab (i) where appropriate. An endowment assurance with an 18-year term has a sum assured of 50,000, which is payable at the end of the term or at the end of the year of earlier death. The policyholder is aged exactly 37 atentry. Level annual premiums of 2,250 are payable at the start of each year. The insurance company uses a retrospective formula and the following basis for the calculation of ts reserves: Mortality. AM92 Ultimate Interest 3% po effective Initial expenses: 500 Regular expenses: 25 paid at the start of each year excluding the first Claim: 400 paid at the time of claim (death or maturity) () The following calculations should be carried out using the prepared table on tab (i) (3) Populate the column headed “Annuity-due factor at outset’ with values of the. form: 7. erpies povey awraton]| To do this, start by inputting the numerical value of &, 7] in the first row. The second and subsequent rows can be obtained recursively from the value in the previous row in each case. (b) Populate the column headed ‘Assurance factor at outset’ with values of the form: 1 A '37.fexpied povey duration]] To do this, start by calculating the value of A - in the frst row. ‘The second and subsequent rows can be obtained recursively from the value in the previous row in each case. () Use these factors (or otherwise) to calculate the retrospective reserve for this policy at each expired policy duration from 1 to 18 inclusive. (The reserve at duration 18 should exclude the cost of the maturity benefit due at that point.) (é) Calculate the profit that the company expects to make at the maturity date, for each maturing policy, on this basis. Hence or otherwise explain the importance of the retrospective reserve at the maturity date for the insurance company.
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e 23 Mkl e ccstins e Multiple life annuities Use the question spreadsheet to answer the following question. Use the I, functions provided. Calculte the following expected present values (EPV), which allrelate to 2 man currently aged ‘eactly 60and 2 woman currently aged exactly 7. ‘Assume that the mortalty of the man follows the PMAS2C20 table, and that of the woman follows the PFAS2C20 table. Assume interest of 3% pa effective throughout. () Ajoint whole of ife immediate annuity of 15,000 po, pad in arrears, ceasing on the first death () Alast survivor whole of life immediate annuity of 15,000 pa paid in arrears, ceasing on the second death. Briefy explain the difference in the answer obtained compared to part i) (i) Areversionary annuity, that pays aregular income of 15,000 pa starting on the policy anniversary following the death of the man, provided the woman i alive at that point and ceasing on the death of the woman. (W) Areversionary annuity, that pays aregular income of 15,000 pa starting on the policy anniversary following the death of the woman, provided the man i alive at that point, and ceasing on the death of the man. Briefly explain the difference in the answer obtained compared to part (i)
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e 23 Mkl e ccsins Multiple life annuities with duration Use the question spreadsheet to answer the following question. Use the 1, functions provided. Calculte the following expected present values (EPVS), which allrelate to.a man currently aged ‘eactly 60 and 2 woman currently aged exactly 57, as appropriate. ‘Assume that the mortalty of the man follows the PMAS2C20 table, and that of the woman follows the PFAS2C20 table. Assume interest of 3% pa effective throughout 0 W ) ) w ) Ajoint life temporary annuity of 15,000 pa payable in arears for 10 years,or untithe first Geath of the man and woman, f earfer Alastsurvivor temporary annuity of 15,000 pa paid in arrears for 10 years, or until the second death of the man and woman f earler. Areversionary annuity, that pays aregular income of 15,000 pa starting on the policy anniversary following the death ofthe man, provided the woman i aive a that point, and ceasing on the death of the woman, with all payments ceasing on the 10th policy anniversary. Areversionary annuity, that pays aregular income of 15,000 pa starting on the policy anniversary following the death of the man, provided the woman i alive a that point, and ceasing on the death of the woman, but only i the man dies withn the first 10 years. Areversionary annuity, that pays aregular income of 15,000 pa starting on the policy anniversary following the ceath of the man, provided the woman i alive at that point, and payable for 10 years from that point or until on the death of the woman, i earler. Areversionary annuity, that pays a regular income of 15,000 pa tarting on the irst policy anniversary that occurs at east 10 years afte the death of the man, provided the woman isstl live at that point, and ceasing on the death of the woman.
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1323 Mot e calctations [ Joint life assurance Use the question spreadsheet to answer the following question. Use the 1, functions provided Calculate the following, which all relate to a man currently aged exactly 60 and a woman currently aged exactly 57. Assume that the mortality of the man follows the PMA92C20 table, and that of the woman follows the PFA92C20 table. Assume interest of 3% pa effective throughout, () The expected present value (EPV) of a joint whole of lfe assurance that pays 75,000 at the end of the year in which the first death occurs: (i) The gross level annual premium that would be payable for this policy, sing the equivalence principle, assuming that © premiums are payable for a maximum of 25 years, or until the policy terminates, if earlier ial expenses are 400 © renewal expenses, allincurred at the start of each year except the first, are 26 (for the whole of ife) plus 2% of each premium (untilthe premium ceases) © daim expenses are 360, incurred at the end of the year in which the benefitis paid,
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{orew jo e waum) s Bnvewas):{orews; 1o e waun: O SNJEA I JO1E) 20P-ANUUE JONINS 1521, s Sl o joste sy jo st soases) | 4O SaNfeA M Jo1e} np-AlNUUE 311 W, s S {oyews; o e s}, 40 SanjeA um JoLe) anp-Anuue djewds, Aem Jeuts © ui suwnjo> Sumwolio} i id (a1 “suonenp jje 1e sauu ayy ajejndod 0152 05 uwINj3 au dn oeq Ado 03 3IE 3q PINOUS NOA LDIYM EINLLID} WSINKaJ © ) Pea) PINOUS S1UL "3N[eA 5Z UOEINP 3} JO LOUNY SE PAIEINOIED 3G LB} UE3 bZ UOEIND. 1 anien . 5z uonesnp Aapod 1oy 0= 2% anven vy Susarus Aq s e ok a1 3few 3y1 o) pareindfe) e (e josde soases] | W0} 343 JO SaNje Ym JoDE} anp-AunuUE Jfe, Papeay uwinjod ayy axeindod () ge3 uo (e)l) wawhed wiep jo 3w 1e 09€ sosuad@wie e 150 4110906 WIWII DR JO%Z Sasuadha AUy oo sesuada eyl anpaye 0d asewl e 21 2jewa, au 1o} 0ZIT6V4A ‘2)) A1ews 31 10} 0ZILEVWG Avesow . pasnbas Se ‘531252 pue SwIWaJd UNEINDIED UBYM S15eq FUIMOIIO} 341 S35 Auedwo aoueinsul uL “JaIER IO S )1 e3P, Pu033s 343 40 Jeak 34} J0 U3 3 1€ J0 S1eaA ST JO PuUD ) 1€ 000'SL Aed [ 1eAU) AL Wiy 1eak-S © SeY 16y} FUEINSSE JUIWMOPUD JONAINS 158] Yl 3(ANO3 3} 3NSS| 0} 51 Auedwiod Ay PapIn0d suomouny Auieuow % ay) 3sn “21eudosdde se ‘£ Apexa pade Ajuaund uewom e pue 09 Afdexa pade ARUBLIN UBw © 0} 318133 LPIYM ‘SUOISIND BUIMOI0} 3y} JIMSUE 03 133UsPeaIds UONISaND 3 35N 2JueINSSE JOAIAINS I5E] Tateq e 39 AN 2SO
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() under the three alternative scenarios listed below. The reserve at duration 25 should be calculated immediately before the payment of the maturity benefit that is then due. The possible scenarios are: (1) onlythe male is alive at the reserve date (2) onlythe female is alive at the reserve date (3) both people are alive at the reserve date. Plot the reserves against duration for the three scenarios, on the same graph. Briefly ‘explain the differences between them, and use the graph to show what happens to the reserve when the first death out of the two lives happens, should that occur during the policy term.
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M1 24 Moty prote page1 Endowment assurance Eighteen years ago, a life insurer sold 1,000 identical endowment assurance policies to lives then aged exactly 37. The policy term has just ended. €ach policy had 2 sum assured of £75,000 payable on maturity or immediately on earlier death. Reserves were calculated using AM92 Ultimate mortality and interest of 3% pa effective. These are given in the question spreadsheet, along with an extract from the AMO92 life table and the observed number of deaths in each policy year. Calculate the mortality profit for each policy year assuming that the effective annual rate of interest is 3%. Cw1s 24 oy prote paeet Pure endowment On 1 May 2013, 3 ife insurer issued 400 pure endowment policies to ives then aged exactly 60. Each policy had 3 sum assured of £10,000 and a term of 5 years. The annual premiu for each policy was £1,750, and this was payable on each 1 May while the policy was in force. The insurer held reserves that were calculated on the following basis: Mortality: PFA92C20 Interest: 2.5% pa effective Expenses: nil The question spreadsheet contains: + anexract from the PFAS2C20 mortality table « annuity factors of the form G, 5 for £=0,1,2,3,8, calclated using PFAS2C20 mortality and 2.5% pa interest « arecord of the actual number of policyholders who died in each policy year. () Calculate the reserve per policy in force at the end of each policy year. (i) Calculate the insurer's mortality prolfit in each policy year for this group of policies
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CM1825: Competing ks [ Dependent probabilities and multiple decrement table Junior employees of a company are subject to two modes of decrement death and withdrawal from employment Forces of mortalty and withdrawal are assumed to be constant over each year of each year of age and are given below. Age, x Force of mortality Force of withdrawal 2 000028 008 2 000029 012 2 000030 010 25 000031 008 These forces are also given in the question spreadsheet for this unit. () Calculate the values of (0q)} and (oq)} for x=22,23,24,25. Construct a multiple decrement table based on these two decrements. Use a radix of 100,000. Calculate the probability that new employee aged exactly 23 will withdraw from service before their 25th birthday. The company introduces a death in service benefit that pays a lump sum of £10,000 immediately on the death of an employee before age 26. (W) Calculate the expected present value of this benefit at the time of recruitment of a new employee aged exactly 22. Assume an effective annual rate of interest of 3.5%. (V) Itis now believed that the force of withdrawal over the year of age 22 to 23 has increased 100.10. Recalculate the expected present value of the death in service benefit and comment on your answer.
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CM1825: Competing rsks paeet EPV of disability benefit An employer provides a cash benefit of 3 times salary immediately on disability before retirement. Normal retrement age s 6. () Inanew sheet named 'EPV', calculate the expected present value of this benefit for an employee now aged exactly 61 whose salary has just increased to £80,000. Basis: Independent rates of mortality: ELTIS(Females) (to be entered manually from the Tables) Force of disability: 002p0 Interest: 5% po effective Salary increases: 1.8% on each birthday (i) Inanew sheet named ‘Revised EPV', repeat the calculation assuming that the independent rates of mortality are those from the ELT1S(Males) table. Comment on your answer.
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€M1825: Competing ks [ Varying forces of decrement and reconstructing a multiple decrement table The decrement table extract shown below is based in the historical experience of a large pension scheme Age. x ol (oa)] (o, (aa) a5 13,600 18 50 162 a6 13370 19 52 120 I3 13179 2 6 8 ) 13,020 2 ) 50 a9 12,855 2 7n 31 50 12,755 Recent changes in employment conditions mean that the underlying annual force of withdrawal at each age is now 90% of ts previous value. Construct a revised multiple decrement table assuming that there are no changes to the forces of mortality and il-health retirement. Give your figures to one decimal place.
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CM1825: Competing ks [ Dependent probabilities when one decrement operates at the end of the year of age Members of a pension scheme are subject to three decrements - death, age retirement and illhealth retirement. Age retirements are assumed to take place on birthdays whilst other decrements operate continuously over each year of age before exact age 65. Independent mortality rates are assumed to follow the PMA92C20 table (and you should enter these into your spreadsheet manually). Independent probabilities of ll-health retirement are given by g, =0.01+0.005t , for t=01234 ‘The independent probabilty of age retirement s 0.2 at exact ages 61, 62, 63 and 64. . All active members reaching age 65 must take age retirement at that point. () Calculate the values of (aq){ , (0a), and (aal, for x=60,61...,64 (i) Calculate the probability that a member currently aged exactly 61 willretire at exact age 64.
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Cashflow projection Use the question spreadsheet to answer the following question. Use the mortalty functions provided A conventional without-profit endowment assurance is o be ssued to a e aged exactl 50. The term i 10 years and the sum assured (payable at the end of the term or at the end of year of earlie death) is 10,000. Level premiums of 1,000 pa are payable at the startof each year for 10 years,or untlearler death of the policyhoider. () Ontab (i), for each year of the policy, calculate the total in-force expected cashfiow (e expected income minus expected outgo) emerging at the end of the year, per policy in force at the startof that year. Use the following basis: o Monaity AMS2 select o merestrate 3% po effective « initslcommission: 20% of one annwal premium + Renewal commision 145 of each premium except the first o it expenses: 150 o Renewal expenses: 25 paincurred at the start of each year except the et + Deathcaim expense: w0 o Mawntydamexpense: 200 « Expenseinfiation Al non-commission expense amounts are quoted a5 3t outset;they ae assumed toinflate a the rate of 2% po from outset o the date of payment. (i) Multiply each in-force expected cashfiow from part (] by the probabity of the policy remaining inforce from outset to the start of the relevant policy year, and so caculate the expected cashfiow emerging at the end of each year as at the policy commencement date. Display the expected cashflows from part (i) on a suitable graph. Describe and brefly explain the pattern of expected cashfiows that have occurred. (W) Describe the main dificulty tha this pattern of cashflows creates for the insurance company, and suggest steps that the company s likely to take to address the problem.
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Profit test Use the question spreadsheet to answer the following question. A conventional without-profit endowment assurance s to be issued to a ife aged exactly 50. The term s 10 years and the sum assured (payable at the end of the term or at the end of year of carlier death) s 10,000. Level premiums of 1,000 pa are payable at the start of each year for 10 ‘years,or until earler death of the policyholder. The expected cashflows per policy inforce at the start of each year are already calculated on the “Cashflows' tab, using the mortality rates on the ‘mortality rates’ tab. These cashfiows assume the following basis: o Mortalty AM92 Select o interestrate: 3% po effective « initial commission 20% of one annual premium + Renewal commission: 21%% of each premium except the frst o inital expenses: 150 © Renewal expenses 25 paincurred at the start of each year except the first + Death claim expense: 00 © Maturity clsim expense: 200 + Expense infiation Al non-comaission expense amounts are quoted 3s at outset; they are assumed to inflate at the rate of 2% po. from outset to the date of payment. ‘The insurance company also assumes it will hold the following reserves for this policy: buation | 0 | 1 | 2 | 3 | a | s | 6 | 7 | & | o Reserve | 0 | 1450 3,50 | 4,450 | 5,450 | 6,450 | 7,450 | 8,450 | 9,850 These are already input in Column C of tab (i) () Use the cashfiows already calculated, and the reserves provided, to calculate the profit vector, profit signature, and Net Present Value (NPV) for this contract, assuming a risk discount rate of 3% pa. () Create a graph showing the profit signature of the policy on this basis. Briefly describe the pattern of the expected profits emerging and explain the role of the reserves in producing this pattem. (if) Repeat part (i) assuming the company does not hold reserves for the policy. Compare. your answer with that of part i) () Repeat part i), le including reserves, but assuming arisk discount rate of 7% pa. Briefly explain the result you obtain.
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Profit test with surrenders Use the question spreadsheet to answer the following question. A conventional without-profit endowment assurance is to be issued to a life aged exactly 50. The term s 10 years and the sum assured (payable at the end of the term or at the end of year of earlier death) is 10,000. Level premiums of 1,000 pa are payable at the start of each year for 10 years, or untilthe earlier death of the policyholder. The expected cashfiows per policy in force at the start of each year are calculated on the “Cashflows' tab, using the mortalty rates on the ‘Mortality rates’ tab. These cashflows assume. the following basis: o Mortaity AM92 Select o interestrate 3% po effective « initial commission 20% of one annual premium « Renewal commission: 1% of each premium except the frst « inital expenses: 150 « Renewal expenses 25 paincurred at the start of each year except the first « Death claim expense: 00 « Maturity iaim expense: 200 © Expenseinflation Al non-commission expense amounts are quoted as at outset; they are assumed to inflate at the rate of 2% pa from outset to the date of payment. “The profit signature and net present value of the policy are calculated on the ‘Profit’ tab, assuming a risk discount rate of 7% pa and allowing for the following reserves: Duration | 0 1 2 3 T s s | 7 | s | o Reserve | 0 | 1,450 | 2,450 | 3450 | 4450 | 5,450 [ 6,450 | 7,450 | 850 [ 9,450 The insurance company has decided it will start paying surrender values on this policy. The surrender value payable wilfollow a formula that depends on the duration at the time of surrender, as follows: Duration 1 2 3 . =5 Formula oszp 07x5P 08xzP 09<Tp | o095xp where P means the total premiums paid up to the date of surrender. Surrenders are only allowed at the end of each year, immediately prior to the date of the first unpaid premium.
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e 12628 prof g comentans comocts ‘Amend the spreadsheet as necessary 50 as to calculate a revised net present value allowing for the introduction of tis surrender benefit, assuming the following independent probabilties of surrender apply. In this table, the probability given for duration ¢ is the probability that a policy, which i in force at that time, surrenders immediately: Duration | 1 2 3 [ a s [ 6 7 [ ]o propabilty | 0.25 | 015 | 012 | 010 [ 008 | 00s [ 004 | 002 [ 0or
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Reserves. Use the question spreadsheet to answer the following question. A conventional without-profit endowment assurance is o be ssued t0 a e aged exactly 50. The termis 10 years and the sum assured (payable at the end of the term or a the end of the year of earlie death) is 10,000. Level annual premiums are payable atthe startof each year for 10 years, or until the earler death of the policyholder. ‘Assuming the policyholder pays a premium of 1,000 pa the expected cashfiows per policy in force at the start of each year are calulated on tab (), using the mortaity rates on the ‘Mortality rates” tab. These cashfiows assume the following basis: o Moralty AMS2 select o inerestrate 3% po effective © initial commission: 20% of one annual premium © Renewal commisson: 1% of each premium except the first o intal epenses 150 © Renewal expenses: 25 poincurred atthe start of each year except the irst « Deathclaim expense 00 © Maurtycaimeense: 200 © Expense nfaton Allnon-commission expense amounts are quoted as at outset;they are assumed to inflate a the rate of 2% po from outset to e date of payment () Calculate the gross premium prospective reserve for the policy on the basis above, for policy durations 09 incusive (1) Calculate the gross annual premium for ths policy using the equivalence principle and the ‘assumptions lsted above (e such that the EPV of the future outgoless the EPV of the. future premiums, as at policy outset, i zero). Recalculate the prospective gross premium reserves on the same basis using this premium. (i) Calculate the retrospective gross premium reserve, using the new premium, on the same basis. Explain biefly why these reserves are identical to the prospective reserves calculated i part (i), (W) Calculate the retrospective reserves at each duration on the basis of 4% pa Interest, with all other assumptions (including the premium payable) the same as In part (i). Explain ‘why the values have Increased from before.
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Term assurance Use the question spreadsheet to answer the following question. A conventional without profit term assurance s o be issued to 2 ife aged exactly 50. The term s 10years and the sum assured is 100,000, payable immediately on death. Level premiums are payable at the startof each year for 10 years, or until the earler death of the policyholder. The insurance company uses the following basis to calculate ts reserves Reserving basis The reserve is assumed to be zero at policy outset. For durations 1.9, the reserve s calculated usinga gross premium prospective formula, using th following assumptions: o Monaity AM92 Select o Lapses None o inerestate 2% po efective + Renewal commission: 1% of each premium except th frst. + Renewalexpenses: 30 paincurred a the stat of each year exceptthe irst « Deathclaim expense: 500 « xpenseinfation: Allnon commission expense amaunts are quoted as at utset; they re assumed to nflate at the rate of 3% pafrom outset to the date of payment © Negatvereserves: Notpermitied (ia) Assuming an intil premium of 600 pa, calculate the reserves for this poicy a the start of Years 2-10 inclusive, using the reserving basis. Make sure the premium i a variable that You can easiy change in your spreadsheet You can do this as follows: (1) project the expected cashflows at the end of each policy year using the reserving basis (2) calculate the reserve at the startof Year 10 by discounting the Year 10 cashfiow and mutiplying by ~1 (3) calculate the reserve at the startof Year 9 from the reserve in (2) and the expected cashilow for Year s (&) copy the formula up the column to populate the remaining reserve values.
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The insurance company calculates its premiums using the following standard assumptions: pricng basis o Morainy: AM92 Select © Lapserates (quoted as at end of each year per polcy then inforce) Year 1. 0% Year2. 3% Year 0% Yewsa9: 0% ver10: 0 o ierestrate 3% pa effective © initsl commision: 20% of one annual premivm © Renewal commission: 1%%of each premium except the first o imlepenses: 500 © Renewal expenses: 25 poincurred at the start of each year except the first © Deathclaim expense: 400 + Expenseinfistion: Allnon-commission expense amounts are quoted a at outset; they are assumed to inflateat the rate of 2% pa from outset to the date of payment © Rskdiscountrate: 7%pa « profitcrterion Net present value of profitto equal SO% of the amount of inital ()b) O the some tab, calculate the net present value of the contract using the standard pricing assumptions isted above. You should include the reserves you have calculated in ()a), making sure that a zero reserve value is assumed if the calculated reserve turs out o be negative.
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(i) Calculate the annual premium for thi contract using the standard basis. You ore recommended to make sufficien copies of the current tab in order to answer each of the questions below. () Recalculate the premium using the standard assumptions except that the mortality probabities n the reserving basis are doubied. Briefl explain and comment on the result obtained. (M) Recalculate the premium using the standard assumptions except that the mortality probabilties in both the pricng basis and the reserving basis are doubled. Brefly explain and comment on the result obtained. ) Recalculate the premium using the standard assumptions except that all apse rates. should be set t0 zero. Briefly explain and comment on the result obtained. (W) Recalculate the premium using the standard assumptions except that the interest rate in the priing basisis doubled. Briefl explain and comment on the result obtained. () Suggest why doubling the profittest mortalty probabilties without changing the eserving basis would be an unrealistic scenaro. (i) Briefy summarise and explain the relative sensitiviy of the price of this contract o the mortalty, interest, and apse rate assumptions used in the pricing basis.
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€126 28 sng ke s e Unit-linked endowment assurance (no non-unit reserves) Use the question spreadsheet to answer the following question. A unit-inked endowment assurance is o be issued to a ife aged exactly 50, for a term of 10 years. O survival to the maturity date the bid value of the unit fund is payable. On death before the end of the term, the higher of the unit fund value (calculated as at the end of the policy year of death after all charges have been deducted) or 10,000s payable at the end of the policy year of death. A premium of 1,000 s paid at the start of each year. 90% of the first and 98% of allsubsequent premiums are alocated to units. There is a bid-offer spread of 5% and a fund management charge of 0.75% po, which i deducted from the unit fund 3t the end of each policy year. () Calulate the net present value of this polcy, using the following assumptions: o Mortaity: AM2 Select o Unitgowthrate: 6% poeffective © Nonunitinterest rate: 3% po effective © initalcommission: 20 of one annual premium « Renewal commission: 1% of each premium except the frst o ntelepenses 150 « Renewal expenses: 25 paincurred atthe startof each year except the ist « Death claim expense: 100 o Maturityewense: 75 + Expenseinfistion: Allnon-commission expense amounts e quoted as at outset; they are assumed to inflate at the rate of 2% pa from outset to the date of payment Riskdiscountrate. 10%po (i) Recalculate the net present value assurming a unit growth rate of 7% pa and briefly explain ‘why the net present value has increased. () Using the original assumptions, calculate the largest firstyear allocation rate that could be: used on the polcy that would make the net present value no smalle than S0% of the inital commission.
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U262kt etng e s et Unit-linked endowment assurance (non-unit reserves) Use the question spreadsheet to answer the following question. A unitlinked endowment assurance i to be issued to a ife aged exactly 50, for aterm of 10 years. On survival to the maturity date, the bid value of the unit fund s payable. On death before the nd of the term, the higher of the unit fund value (caculated as atthe end of the policy year of death ater all charges have been deducted) or 10,000 s paid at the end of the policy year of death. A premium of 1,000 s paid at the start of each polcy year. 65% of the first and 99% of all subsequent premiums are allocated to units. There is a bid-offer spread of 5% and a fund management charge of 0.25% po, which is deducted from the unit fund at the end of each policy year. ‘The expected non-unit cashflows, per policy in force at the start of each year, are given on tab ) of the question spreadsheet. The folowing assumptions have been used o Moraity AM92 Select © Untgownmte 6% poeffective « Nonunitinterest rate: 3% pa effective o intal commission: 20% of one annual premium « Renewal commission: 1% of each premium except the first o invalewenses: 150 + Renewalexpenses: 25 paincurred atthestart of each year except the first « Death clim expense: 100 o Modyepese 75 + Expenseinfiation: Al non-commission expense amounts are quoted as at utset; they are assumed to infiate at the rate of 2% pa from outset to the date of payment. (Ma) Explan why it s necessary for the company to hold non-unit reserves for this policy. ()6) Aftera separate investigation, the company decides to hokd the following non-unit reserves per policy in force at each duration: owaton | 1 | 2 | 3 | 4 | s |6 |7 | 8 |9 Reseve | 0 | 0 | 0 | 0 | 10 | 20 | 30 | @ | s Calculate the net present value for the policy allowing fo these reserves, using 3 fisk discount rate of 10% po.
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€18 2628 et e s et Unit-linked endowment assurance (with surrenders and non-unit reserves) Use the question spreadsheet to answer the following question. Aninsurance company i designing a unit-linked endowment assurance product. s to b issued 102 life aged exactly 58, for a term of 10 years. Under the contract, premium of 1,000 s paid at the startof each year. The company i considering paying the following benefits under this contract © o survival to the maturiy date the unit fund value is paid « atthe end of the year of Geath before the end of the term, the higher of the unit fund or the current minimum sum assured i paid © atthe end of the year of surrender during the term, the unit fund value is pad. Al unitfund benefits are calculated as a the end of the policy year o caim after al charges have been deducted. The minimum sum assured paid on death i equal to 10,000 at the start o the policy. The amount Increases at the rate of 10% pa compound 50 that for examle, f the polcyholder dies In Year t (between durations ¢ 1 and t ), the minimum sum assured s 10,000x1.1'"", payable at duration ¢ The allocation rate i 85% of each premium. There is als0 2 bid-offer spread of $% and a fund management charge of 0.75% pa, which is deducted from the unit fund at the end of each policy year. The insurer sets up non-unit reserves in order to zeroise any negative expected non-unit cashfiows,other than those occurring in the first policy year. () Calculate the non-unit reserves required atthe start of Years 1-10 for this policy, according to the following assumptions: o Mortalty o2 select o Sumender Independent probabiltes of surrender apply according to the table below, which gives the probabiity that a poliy, whichis n force at duration ¢, surrenders immediately: owaton | 1 | 2 | 3 | 4 | s |6 | 7 | 8 |9 probabity | 020 | 015 | 010 | 00s | 0025 | 0025 | 0.025 0025 | 0025 « Untgowthrate: 3% poefective « Nonunitinterestate: 2% po efective + initislcommission: 20% of one annual premium « Remewal commission: 4% of each premium except th first ital expenses: 150
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Renewal expenses: Death claim expense: Surrender expense: Maturity expense: Expense inflation: Negative reserves: 418 2628 4ot e comenton ot 30 paincurred at th stat of each year except the first 100 per death claim 100 per surrender 100 per maturity Al non-commission expense amounts are quoted as at outset; they are assumed to inflate at the rate of 3% pa from outset to the date of payment Not permitted Calculate the net present value of the profit o this policy, assuming the company holds non-unit reserves as calculated in part (1, isk discount ate of 10% pa, and the following. best estimate assumptions: Mortaty, surrender a Unitgrowth rate: Nonunit interest rate: Initial expenses Renewal expenses: Death claim expense: Surender expense Maturity expense: Expense infation: 1 commission rates same as the reserving basis 5% paeffective 3% po efective 150 25 paincurred at the start of each year except the irst 100 per death laim 75 per surrender 75 per maturity Al non-commission expense amounts are quated as at outset; they are assumed to infite at the rate of 2% pa from outset to the date of payment The company i not saisied with the current profitabilty of this contract and belleves that it surrender values are more generous than those found on similar products sold by other nsurance comganies. You are toinvestigate the effect of introducing the following scale of surrender penaties into the policy design, expressed a5 a percentage of the unit fund value at the time of surrender Ouration 1 2 3 4 s | 60 Surrender penaty ax | 2o | 1% | ex | % | o Calculate the non-unit reserves required for the redesigned contract according o the assumptions i part the change. and hence confirm that the non-unt reserves are not affected by
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w Calculate the net present value for the redesigned contract using the assumptions in part (i) Explain briefl the impact that the surrender penalty has on the expected profitabity of the polcy Explain whether you think the difference in profitabiity caused by the surrender penalties is kel to be realstic. Calculate the profit margin for the contractin part ().
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