Newman Auto Repair is considering the purchase of a hydraulic machine costing approximately $35,000. Using a discount rate of 18%, the present value of future cash inflows are calculated to be $42,000. To yield at least an 18% return, the actual cost of the machine should not exceed the $35,000 estimate by more than:

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(b) equal; set period;