EBK CONTEMPORARY ENGINEERING ECONOMICS
EBK CONTEMPORARY ENGINEERING ECONOMICS
6th Edition
ISBN: 8220101336736
Author: Park
Publisher: PEARSON
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Chapter 5, Problem 8P
To determine

Calculate the present worth.

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You invest in a piece of equipment costing $30,000. The equipment will be used for two years, at the end of which time the salvage value of the machine is expected to be $10,000. The machine will be used for 5,000 hours during the first year and 8,000 hours during the second year. The expected annual net savings in operating costs will be $25,000 during the first year and $40,000 during the second year. If your interest rate is 10%, what would be the equivalent net savings per machine-hour? Solved in Excel is perfered!
A machine is under consideration for investment. The cost of the machine is 28,000. Each year it operates the machine generate a savings of P16,000. Given an effective annual interest rate of 16%. What is the discounted payback period in years, on the investment in the machine? Show complete solution.
Assume a machine that has a useful life of only one year costs $2,000. Assume, also, that net of such operating costs as power, taxes, and so forth, the additional revenue from the output of this machine is expected to be $2,800. The expected rate of return on this machine is 40 percent.   80 percent.   30 percent.   7 percent.
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