| Question | A piece of equipment has a first cost of $150,000, a maximum useful life of 7 years, and a market (salvage) value described by the relation S = 120,000 – 20,000 k , where k is the number of years since it was purchased. The cannot go below zero. The AOC series is estimated using AOC = 60,000 + 10,000 k. The interest rate is 15% per year. Determine the economic service life (a) By hand solution, using regular AW computations, (b) By spreadsheet, using annual marginal cost estimates. |
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| Subject | business economics |
