Contemporary Engineering Economics (6th Edition)
6th Edition
ISBN: 9780134105598
Author: Chan S. Park
Publisher: PEARSON
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Chapter 14, Problem 14P
(a):
To determine
Calculate the
(b):
To determine
Calculate the
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A construction firm purchased a used crane 2 years ago for $445,000. Its operating cost is $325,000 per year and it's expected
salvage value 3 years from now is $145,000. The firm's CEO is considering replacing the presently owned used crane with a brand
new crane with a much higher load limit which will cost $1.5 million. The operating cost of the new crane will be $260,000 per year, but
its higher load limit will allow the contractor to generate extra revenue that is expected to amount to $525,000 per year. The new
crane can probably be sold for $850,000 3 years from now. You have been asked to determine how much the presently owned crane
would have to be worth on the open market today for the annual worth (AW) values of the two machines to be the same over a 3-year
planning period. The contractor's MARR is 9% per year.
The presently owned crane should be worth $
Con the open market.
Hayden Inc. has a number of copiers that were bought four years ago for $27,000. Currently maintenance costs $2,700 a year,
but the maintenance agreement expires at the end of two years, and thereafter, the annual maintenance charge will rise to
$8,700. The machines have a current resale value of $8,700, but at the end of year 2, their value will have fallen to $4,200. By
the end of year 6, the machines will be valueless and would be scrapped.
Hayden is considering replacing the copiers with new machines,that would do essentially the same job. These machines cost
$32,000, and the company can take out an eight-year maintenance contract for $1,000 a year. The machines would have no
value by the end of the eight years and would be scrapped.
Both machines are depreciated using seven-year straight-line depreciation, and the tax rate is 40%. Assume for simplicity that
the inflation rate is zero. The real cost of capital is 7%.
a. Calculate the equivalent annual cost, if the copiers are: (i)…
A machine for refining operation was purchased 7 years
ago for 160,000 SAR. Last year a replacement study
was performed with the decision to retain it for 3 more
years. The situation has changed . The equipment is
estimated to have a value of 8,000 SAR now or anytime
in the future. If kept in service, it can be minimally
upgraded at a cost of 43,000 SAR which will make it
usable for up to 2 more years. Its operating cost is
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Chapter 14 Solutions
Contemporary Engineering Economics (6th Edition)
Ch. 14 - Prob. 1PCh. 14 - Prob. 2PCh. 14 - Prob. 3PCh. 14 - Prob. 4PCh. 14 - Prob. 5PCh. 14 - Prob. 6PCh. 14 - Prob. 7PCh. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - Prob. 10P
Ch. 14 - Prob. 11PCh. 14 - Prob. 12PCh. 14 - Prob. 13PCh. 14 - Prob. 14PCh. 14 - Prob. 15PCh. 14 - Prob. 16PCh. 14 - Prob. 17PCh. 14 - Prob. 18PCh. 14 - Prob. 19PCh. 14 - Prob. 20PCh. 14 - Prob. 21PCh. 14 - Prob. 22PCh. 14 - Prob. 23PCh. 14 - Prob. 24PCh. 14 - Prob. 25PCh. 14 - Prob. 26PCh. 14 - Prob. 27PCh. 14 - Prob. 28PCh. 14 - Prob. 29PCh. 14 - Prob. 30PCh. 14 - Prob. 31PCh. 14 - Prob. 32PCh. 14 - Prob. 33PCh. 14 - Prob. 34PCh. 14 - Prob. 35PCh. 14 - Prob. 36PCh. 14 - Prob. 37PCh. 14 - Prob. 38PCh. 14 - Prob. 39PCh. 14 - Prob. 40PCh. 14 - Prob. 41PCh. 14 - Prob. 42PCh. 14 - Prob. 43PCh. 14 - Prob. 44PCh. 14 - Prob. 45PCh. 14 - Prob. 46PCh. 14 - Prob. 47PCh. 14 - Prob. 48PCh. 14 - Prob. 49PCh. 14 - Prob. 1STCh. 14 - Prob. 2STCh. 14 - Prob. 3ST
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