I have to come up with a solution to this answer while using an equation from the equation sheet. Please help
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Josh bought a 10000 fac...
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AYFCE 211N, Section 00...
Syllabus
will it take his account to grow to $8000?
4. Donna makes $36,000 in the first year of her job. She expects to receive a raise of $1600 each
year. How many years will it take Donna's salary to double? Triple?
Bowling Alone: The Colla....
5. A company loses $5000 in its first month, but its profit increases by $300 in each of the following
months. What is the company's total profit or loss for the first two years?
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6. Josh bought a $10000 face value T-bill at auction. The term is 150 days, and the simple discount
rate is 5 %%. How much did Josh pay for the T-bill? (ie Find the proceeds.) *
a) Find the simple discount rate.
b) Find the equivalent simple interest rate.
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7. The Williams Foundation invested $48500 in discount bonds with face values totaling $50000.
The bonds will reach maturity in 180 days. Find the simple discount rate.
8. Sarah is expecting a $675 paycheck in 4 days. A payday lender offers to give her cash now for
this check. The lender's fee is 1% of the amount of the paycheck, plus a $5 service fee.
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9. Suppose that $1350 is deposited into a savings account that earns 3 5/8% compounded annually
for 11 years. Find the total interest earned from the savings account.
10. How much money should Jacob deposit today into an account earning 7.5% compounded
annually in order to have $22000 in the account 4 years from now?
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Transcribed Image Text: Proceeds
Formula
Math 34 Formulas
Simple Interest Formula I-PRT
I= simple interest
P = principal
R = rate
T= term
Nth Term of An Arithmetic Sequence an = a₁ + (n-1)d
a₁ = first term
d = common difference
Sum of the First n Terms of an Arithmetic Sequence
Sa= (n/2)(a₁ + an)
a₁ = first term
a, nth term
=
Simple Discount Formula D=MdT
D = simple discount
M = maturity value
d interest discount rate
=
T = term
Compound Interest Formula FV = PV(1 + i)
FV = future value
PV = present value
i = interest rate per compounding period
n = number of compounding periods
N+1st Term of a Geometric Sequence a = aor"
ao = first term
a₁ second term
r = common ratio = a₁/ao
Infinite Geometric Sum
So ao /(1-r)
ao first term
=
r=common ratio= a/ao
Sum of the First n Terms of a Geometric Sequence
Sa ao (1-1)/(1-r).
ao = first term
r = common ratio = a₁/ao
Compound Interest Rate
i= compound interest rate
FV future value
PV = present value
n = number of compounding periods
EAS
FV
i=(-)""-1
PV
Time Periods n = log (FV/PV)
log (1 + i)
i compound interest rate
FV future value
PV = present value
=
HOM
Rule of 72
The time required for a sum of money to double at
a compound interest rate of x% is approximately
72/x years. (x should not be converted to a decimal)
Rule of 72 (Alternate Form)
The compound interest rate required for a sum of money
to double in x years is approximately 72/x percent.
Effective Interest Rate Eff. Rate= (1+r/c)-1
r = the nominal interest rate
c = the number of compoundings per year
Continuous Compounding FV = PV e(n)
FV = future value
PV = present value
e a mathematical constant (approx. 2.71828)
r = annual interest rate
t = number of years
Future Value Annuity Factor Si= (1+i)-1
i interest rate per payment period
n = number of payment periods
Future Value of an Ordinary Annuity FV = PMTS/i
FV = future value of the annuity
PMT= amount of each payment
Sn/i annuity factor
=
Future Value of an Annuity Due FV = PMTS(1+i)
FV = future value of the annuity
PMT= amount of each payment
i = interest rate per payment period
Sni annuity factor
Interest for Future Value Annuities
interest FV- total deposits
Present Value Annuity Factor
i= interest rate per payment period
n number of payment periods
1-(1+i)"
i
Present Value of an Ordinary Annuity PV = PMTai
PV = present value of the annuity
PMT= amount of each payment
ani present value annuity factor
Present Value of an Annuity Due PV=PMTa(1+i),
PV = present value of the annuity
PMT= amount of each payment
ani present value annuity factor
=
Interest for Present Value Annuities
interest total deposits - PV
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