Strong Metals Inc. purchased a new stamping machine at the beginning of the year at a cost of $660,000. The estimated residual value was $52,800. Assume that the estimated useful life was five years, and the estimated productive life of the machine was 264,000 units. Actual annual production was as follows: Year Units 1 77,000 2 66,000 3 29,000 4 57,000 5 35,000 Required: 1. Complete a separate depreciation schedule for each of the alternative methods. (Do not round your intermediate calculations.) a. Straight-line. Depreciation Accumulated et Year Expense Depreciation Book Value At acquisition b. Units-of-production Depreciation Accumulated Net Year Expense Depreciation Book Value At acquisition 2 3 4 c. Double-declining-balance. Depreciation Accumulated Net Year Expense Depreciation Book Value At acquisition 2 4 5