Strong Metals Inc. purchased a new stamping machine at the beginning of the year at a cost of $860,000. The estimated residual value was $71,600. Assume that the estimated useful life was five years, and the estimated productive life of the machine was 292,000 units. Actual annual production was as follows:

Year	Units
1	80,000
2	68,000
3	35,000
4	63,000
5	46,000

Required:
1.	Complete a separate depreciation schedule for each of the alternative methods.

a.	Straight-line.

Year	Depreciation Expense	Accumulated Depreciation	Net Book Value
At acquisition
1
2
3
4
5

b.	Units-of-production.

Year	Depreciation Expense	Accumulated Depreciation	Net Book Value
At acquisition
1
2
3
4
5

c.	Double-declining-balance.

Year	Depreciation Expense	Accumulated Depreciation	Net Book Value
At acquisition
1
2
3
4
5