Strong Metals Inc. purchased a new stamping machine at the beginning of the year at a cost of $840,000. The
estimated residual value was $67,800. Assume that the estimated useful life was five years, and the estimated productive life of the machine was 286,000 units. Actual annual production was as follows:
YearUnits179,000 267,000 334,000 462,000 544,000
Required:1.Complete separate depreciation schedule for each of the alternative methods.