Engineering Economy (17th Edition)
17th Edition
ISBN: 9780134870069
Author: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher: PEARSON
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Chapter 11, Problem 42FE
To determine
Calculate the minimum value of X.
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A manufacturing engineer is considering whether to repair or replace a broken machine. The first alternative (Alternative “A”) is to repair the machine with an initial cost of $15,000, an annual maintenance of $700 per year, with no salvage value at the end of its five-year useful life. The second alternative (Alternative “B”) is to replace the machine for $30,000. The maintenance cost starts in the second year at $200 and increases $200 per year in all subsequent years. There is an anticipated salvage value of $5,000 at the end of 20 years. Assuming interest rate is 6% and an analysis period of 20 years, what would be the preferable alternative ?
. A construction company is considering two possibilities for warehouse operations. Proposal 1 would require the purchase of a forklift for $5,000 and 500 pallets that cost $5 each. The average life of a pallet is assumed to be 2 years. If the forklift is purchased, the company must hire an operator for $9,000 annually and spend $600 per year on maintenance and operation. The life of the forklift is expected to be 12 years with a $700 salvage value. Alternatively, proposal 2 requires that the company hire 2 men to operate power driven hand trucks at a cost of $7,500 per man. One hand truck will be required at a cost of $900. The hand truck will have a life of 6 years with no salvage value. If the company's minimum attractive rate of return is 12%, which alternative should be selected? Use the annual equivalent method.
A piece of new equipment has been proposed by engineers to increase the productivity of a certain manual welding operation. The investment cost is $25,000, and the equipment will have a market value of $5,000 at the end of a study period of five years. Increased productivity attributable to the equipment will amount to $8,000 per year after extra operating costs have been subtracted from the revenue generated by the additional production. If the firm’s MARR is 20% per year, is this proposal a sound one? Use the PW method.
Chapter 11 Solutions
Engineering Economy (17th Edition)
Ch. 11 - Prob. 1PCh. 11 - Refer to Example 11-2. Assuming gasoline costs...Ch. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10P
Ch. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - Prob. 13PCh. 11 - Prob. 14PCh. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - A bridge is to be constructed now as part of a new...Ch. 11 - An aerodynamic three-wheeled automobile (the Dart)...Ch. 11 - Prob. 23PCh. 11 - Prob. 24SECh. 11 - Prob. 25SECh. 11 - Prob. 26SECh. 11 - Prob. 27SECh. 11 - Prob. 28SECh. 11 - Prob. 29SECh. 11 - Prob. 30FECh. 11 - Prob. 31FECh. 11 - A supermarket chain buys loaves of bread from its...Ch. 11 - A supermarket chain buys loaves of bread from its...Ch. 11 - Prob. 34FECh. 11 - Prob. 35FECh. 11 - Prob. 36FECh. 11 - Prob. 37FECh. 11 - Prob. 38FECh. 11 - Prob. 39FECh. 11 - Prob. 40FECh. 11 - Prob. 41FECh. 11 - Prob. 42FE
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