Basics Of Engineering Economy
2nd Edition
ISBN: 9780073376356
Author: Leland Blank, Anthony Tarquin
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 4, Problem 28P
To determine
Calculate the present worth.
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An engineer has been offered an investment opportunity that will require a cash outlay of $40,000 now for a cash inflow of $3500 for each year of investment. However, she must state now the number of years she plans to retain the investment. Additionally, if the investment is retained for 6 years, a lump-sum amount of $36,000 will be returned to her; after 10 years, the lump-sum return is anticipated to be $49,000, and after 15 years, it is estimated to be $55,000. Money is currently worth 10% per year. (a) Is the decision sensitive to the retention period? If so, what investment period is best? (b) Write the format of the spreadsheet function that will display the correct PW values.
A process control manager is considering two robots to improve materials-handling capacity in the production of rigid shaft couplings that make dissimilar drive components. Robot X has a first cost of $76,000, an annual M&O cost of $31,000, and $42,000 salvage value, and it will improve revenues by $96,000 per year. Robot Y has a first cost of $146,000, an annual M&O cost of $28,000, and $47,000 salvage value, and it will increase revenues by $121,000 per year. The company’s MARR is 46% per year, and it uses a 3-year study period for economic evaluations. Calculate the incremental ROR, and identify the robot the manager should select.
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One way to recover invested capital with interest is to collect the principal P over n years as P∕n and also collect the interest on the unrecovered balance. Assume you borrowed $6000 at 10% per year interest with a repayment period of 3 years to purchase a new network controller for your company. (a) Use the method above to determine the amount of each of the three payments. (b) Determine the amount of each payment if they are all equal.
Chapter 4 Solutions
Basics Of Engineering Economy
Ch. 4 - State two conditions under which the do-nothing...Ch. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - The costs associated with manufacturing a...
Ch. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - Prob. 16PCh. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Prob. 22PCh. 4 - Prob. 23PCh. 4 - Prob. 24PCh. 4 - Prob. 25PCh. 4 - Prob. 26PCh. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - Prob. 31PCh. 4 - Two mutually exclusive projects have the estimated...Ch. 4 - Prob. 33PCh. 4 - Prob. 34PCh. 4 - Prob. 35PCh. 4 - Prob. 36PCh. 4 - Prob. 37PCh. 4 - The manager of engineering at the 900-megawatt...Ch. 4 - Prob. 39PCh. 4 - Prob. 40PCh. 4 - Prob. 41PCh. 4 - Three different plans were presented to the GAO by...Ch. 4 - The U.S. Army received two proposals for a turnkey...Ch. 4 - Prob. 44PCh. 4 - Prob. 45PCh. 4 - Prob. 46PCh. 4 - Prob. 47PCh. 4 - Prob. 48PCh. 4 - Prob. 49PCh. 4 - Prob. 50PCh. 4 - Prob. 51PCh. 4 - Prob. 52PCh. 4 - Prob. 53PCh. 4 - Prob. 54PCh. 4 - Prob. 55PCh. 4 - Prob. 56PCh. 4 - Prob. 57PCh. 4 - Prob. 58PCh. 4 - Prob. 59PCh. 4 - Prob. 60PCh. 4 - Prob. 61PCh. 4 - Prob. 62PCh. 4 - Prob. 63APQCh. 4 - Prob. 64APQCh. 4 - Prob. 65APQCh. 4 - Prob. 66APQCh. 4 - Prob. 67APQCh. 4 - Prob. 68APQCh. 4 - Prob. 69APQCh. 4 - Prob. 70APQCh. 4 - Prob. 71APQ
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