Strong Metals Inc. purchased a new stamping machine at the beginning of the year at a cost of $760,000. The estimated residual value was $85,000. Assume that the estimated useful life was five years, and the estimated productive life of the machine was 270,000 units. Actual annual production was as follows: Year 1 2 3 Units 77,000 68,000 30,000 60,000 35,000 5 Required: 1. Complete a separate depreciation schedule for each of the alternative methods. (Do not round your intermediate calculations.) a. Straight-line. Year Depreciation Expense Accumulated Depreciation Net Book Value At acquisition 1 2 5 II b. Units-of-production. Year Depreciation Expense Accumulated Depreciation Net Book Value At acquisition 5 c. Double-declining-balance. Year Depreciation Expense Accumulated Depreciation Net Book Value At acquisition 3