5-70. The following costs are associated with three tomatoes-peeling machines being considered for use in a canning plant. If the canning company uses an interest rate of 12%, which is the best alternative? Use NPW to make your decision (Note: consider the least common multiple as the study period.)

Machine A B CFirst cost $52,000 $63,000 $67,000Maintenance costs 15,000 9,000 12,000Annual benefit 38,000 31,000 37,000Salvage value 13,000 19,000 22,000Useful life in years 4 6 12

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a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.

answer///a coalition;