Strong Metals Inc. purchased a new stamping machine at the beginning of the year at a cost of $840,000. The

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.

a.Straight-line.