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?

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
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Chapter1: Making Economics Decisions
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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?
Transcribed Image Text: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?
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Here we calculate the annual worth of the following machines and compare both by using the given information , so the calculation of the following by using the given data which are as follow -

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