ENGINEERING ECONOMIC ENHANCED EBOOK
14th Edition
ISBN: 9780190931940
Author: NEWNAN
Publisher: OXF
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Question
Chapter 13, Problem 10P
To determine
To find: Economical life of machine.
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A specialty concrete mixer used in construction was purchased for $300,000 7 years ago. Its annual O&M costs are $105,000. At the end of the 8-year planning horizon, the mixer will have a salvage value of $5,000. If the mixer is replaced, a new mixer will require an initial investment of $375,000. At the end of the 8-year planning horizon, it will have a salvage value of $45,000. Its annual O&M cost will be only $40,000 due to newer technology. Analyze this using an EUAC measure and a MARR of 15 percent to see if the concrete mixer should be replaced if the old mixer is sold for its market value of $65,000.
a. Use the cash flow approach (insider’s viewpoint approach)
b. use the opportunity cost approach (outsiders viewpoint approach)
Include formulas in excel screen shots.
A replacement analysis is most objectively conducted from the viewpoint of:a. an outsider.b. a consultant.c. a non-owner.d. any of the above.
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?
Chapter 13 Solutions
ENGINEERING ECONOMIC ENHANCED EBOOK
Ch. 13 - Prob. 1QTCCh. 13 - Prob. 2QTCCh. 13 - Prob. 3QTCCh. 13 - Prob. 4QTCCh. 13 - Prob. 5QTCCh. 13 - Prob. 1PCh. 13 - Prob. 2PCh. 13 - Prob. 3PCh. 13 - Prob. 4PCh. 13 - Prob. 5P
Ch. 13 - Prob. 6PCh. 13 - Prob. 7PCh. 13 - Prob. 8PCh. 13 - Prob. 9PCh. 13 - Prob. 10PCh. 13 - Prob. 11PCh. 13 - Prob. 12PCh. 13 - Prob. 13PCh. 13 - Prob. 14PCh. 13 - Prob. 15PCh. 13 - Prob. 16PCh. 13 - Prob. 17PCh. 13 - Prob. 18PCh. 13 - Prob. 19PCh. 13 - Prob. 20PCh. 13 - Prob. 21PCh. 13 - Prob. 22PCh. 13 - Prob. 23PCh. 13 - Prob. 24PCh. 13 - Prob. 25PCh. 13 - Prob. 26PCh. 13 - Prob. 27PCh. 13 - Prob. 28PCh. 13 - Prob. 29PCh. 13 - Prob. 30PCh. 13 - Prob. 31PCh. 13 - Prob. 32PCh. 13 - Prob. 33PCh. 13 - Prob. 34PCh. 13 - Prob. 35PCh. 13 - Prob. 36PCh. 13 - Prob. 37PCh. 13 - Prob. 38PCh. 13 - Prob. 39PCh. 13 - Prob. 40PCh. 13 - Prob. 41PCh. 13 - Prob. 42PCh. 13 - Prob. 43PCh. 13 - Prob. 44PCh. 13 - Prob. 45PCh. 13 - Prob. 46PCh. 13 - Prob. 47PCh. 13 - Prob. 48PCh. 13 - Prob. 49PCh. 13 - Prob. 50PCh. 13 - Prob. 51PCh. 13 - Prob. 52PCh. 13 - Prob. 53PCh. 13 - Prob. 54PCh. 13 - Prob. 55PCh. 13 - Prob. 56P
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- ABZ & Company purchased a factory machine of Php. 51,000 on January 1, 2015. The machine is expected to have a salvage value of Php. 6,000 at the end of its 5 year useful life. During the useful life, the machine is expected to be used for 5,000 hours. The machine was used as under, solve using straight-line method:arrow_forwardPlease correct answer and don't use hand rating and don't use Ai solutionarrow_forwardanswer quick please. Do not need full workarrow_forward
- uppose that you purchased a HVAC system five years ago for $75, 000. The O&Mcosts are $15, 000 this year and are expected to increase by $1, 000 each year for the next five yearsthen remain the same for the following years.The current salvage value of the system is $15, 000; salvage value after one year is estimated tobe $12, 000; after two years, $11, 000; after three years, $10, 000; after four years, $9, 000; and so on.A new industrial HVAC system is available for purchase at a price of $95, 000, including instal-lation. The market value of the new system will decrease at a rate of 15% each year. The O&Mcosts are expected to be $1, 000 in the first year, and will increase at a rate of 20% each year. Themaximum service life of the new system is 10 years. Assume that your company uses an interestrate of 10% for all project evaluations.(a) Find the remaining economic life of the currently owned asset.(b) What is the economic service life of the new system?(c) Use the…arrow_forwardA 10-year-old backup power system is being considered for early replacement. Its current market value is $16,000. Estimated future market values (MV) and annual operating costs (AOC) for the next 5 years are given in the following table. What is the economic service life of this defender if the interest rate is Z% per year using AW analysis? Year MV AOC 1 10000 -5000 8000 -6500 6000 -8000 4 2000 -9500 -12500 [Hint: the value of Z = |last digit of your unique id+2nd digit of your unique id], Example: if your id is 201-021-651 then Z = |1+2| = 3.00%, so, interest rate will be 3.00%) 3.arrow_forward(Chapter 13) A $20,000 machine will be purchased by a company with an MARR of 10%. It will cost $5,000 to install and removal costs are insignificant. What is its economic life and minimum EUAC cost given the following O&M costs: YR, n 1 2 3 4 5 O&M $5,000 $8,000 $11,000 $14,000 $17,000arrow_forward
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