In comparing the alternatives on a present worth basis, the PW of machine X is closest to:

(a) $23,160

(b) $40,560

(c) $58,950

(d) $72,432

Problem is based on the following cash flows for alternatives X and Y at an interest rate of 10% per year.

Machine Initial cost, $ AOC, $/year Annual revenue, $/year Salvage value, $ Life, years -220,000 -146,000 -15,000 -10,000 80,000 10,000 3 75,000 25,000