You have been asked to evaluate two alternatives, X and Y, that may increase plant capacity for manufacturing high-pressure hydraulic hoses. The parameters associated with each alternative have been estimated. Which one should be selected on the basis of a present worth comparison at an interest rate of 12% per year? Why is yours the correct choice?
PWX = -45,000 – 8000(P/A,12%,5) + 2000(P/F,12%,5)
= -45,000 – 8000(3.6048) + 2000(0.5674)
= $-72,704
PWY = -58,000 – 4000(P/A,12%,5) + 12,000(P/F,12%,5)
= -58,000 – 4000(3.6048) + 12,000(0.5674)
= $-65,615
Select Alternative Y, because it has the larger PW value, that is, the lower PW of costs.
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