Because it fumes at room temperatures, hydrochloric acid creates a very corrosive work environment. A machine working in thatenvironment is deteriorating quickly and can be used for only one more year, at which time it will be scrapped with no salvage value. Itwas purchased 3 years ago for $88,000, and its operating cost for the next year is expected to be $48,000. A more corrosion-resistantchallenger will cost $196,000 with an operating cost of $48,000 per year. It is expected to have a $55,000 salvage value after its 10-year ESL. At an interest rate of 13% per year, what minimum replacement value would render the challenger attractive?The minimum replacement value that would render the challenger attractive is $

*answer: Let the minimum replacement value be X, then -X(A/P,13%,1)-48000 =…

Answered: machine working in that Because it…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Rubber: Initial investment: $132,000 Annual cost: $43,000 Annual revenue: $100,000 Salvage value: $11,000 Useful life: 10 years Using the cotermination assumptions, a study period of 6 years, and a MARR of 9%, what is the present worth of the rubber alternative? Assume that the rubber alternative's equipment has a market value of $17,000 at the end of Year 6. Typed numeric answer will be automatically saved.
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Part a.) An engineer with Calahan Technologies calculated the AW of cost values shown for a presently owned machine using estimates she obtained from the vendor and company records. A challenger has an economic service life of 7 years with an AW of $-86,000 per year. Assume that all future costs remain as estimated and the challenger's technology will definitely replace that of the defender within 5 years. When should the company purchase the challenger? Retention Period, Years AW of Costs, $ per Year -92,000 2 -81,000 -87,000 4 -89,000 5 -95,000 Part b.) The costs and revenue projections for a new product made on the machine from Part a.) are estimated below. What is the estimated profit at a production rate of 25% above breakeven? Fixed cost = $592,000 per year Production cost per unit = $198 Revenue per unit = $330
A 5 year-old tooling kit that was purchased new for $9000 has a current market value of $4000 and expected 0&M costs of $3000, increasing by $1200 per year. Future market values are expected to decline by 25% annually (going forward). The kit can be used for another 3 years at most. The optimal replacement kit costs $8000 and has 0&M costs starting at $2500 per year, increasing by $2000 per year. Salvage value for the new kit at the end of the first year is $4000 and falls by $1000 per year thereafter (until zero). The new model kit will be needed indefinitely. Assume a unique minimum AEC~(15%) for both kits (both the current and replacement kit). The MARR is 15%. 1) What is the AECC• ? a) Less than 6925.70 b) 6925.70-6945.70 c) 6945.70-6965.70 ) d) 6965.70-6985.70 e) More than 6985.70
SUBJECT: Engineering Economics Number 5
Because it fumes at room temperatures, hydrochloric acid creates a very corrosive work environment. A machine working in that environment is deteriorating quickly and can be used for only one more year, at which time it will be scrapped with no salvage value. It was purchased 3 years ago for $88,000, and its operating cost for the next year is expected to be $49,000. A more corrosion-resistant challenger will cost $206,000 with an operating cost of $46,000 per year. It is expected to have a $50,000 salvage value after its 10-year ESL. At an interest rate of 8% per year, what minimum replacement value would render the challenger attractive? The minimum replacement value that would render the challenger attractive is $ .
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Ab3
The following tables show the marginal costs of a defender over its remaining four years of service life. If the challenger's minimum EUAC is $29,403, what is the most appropriate replacement decision? Year 1234 Marginal cost $31,053 $26,353 $28,003 $32,803 ○ A. No decision can be made unless additional calculations are made on the challenger B. Replace the defender now OC. No decision can be made unless additional calculations are made on the defender ○ D. Keep the defender for at least one more year
We bought a CNC machine 3 years ago for $100,000 with a salvage value of $20,000 after 8 years. It has an annual operating cost of $30,000. A new machine is available at a price of $120,000, a life of 10 years and a salvage value of $30,000. The annual operating cost for this machine is $15,000. The market value for the CNC machine is $70,000 now. At MARR= 10% per year should we keep the CNC machine or replace it?
A packaging company is planning to replace its existing material handling system (MHS). The MHS that it now owns cost $135000 when purchased 7 years ago and was estimated to have 12 year useful life with a $3000 salvage value at the end of that time. Currently, the MHS has a net market value of $40000 and if it is not sold, it is expected to have operating costs of $24000 per year. A new MHS can be purchase for $85000. This new system is expected to have operating costs of $17000, an economic life of 7 years, and a salvage value of $10000 at the end of that time. For depreciation purposes, assume that the straight line method has been used, and the current MHS and new MHS are 10 year and 5 year recovery property, respectively. If the effective tax rate is 50%, which alternative should be selected in the case of a before tax MARR of 20% and an after tax MARR of 10%

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