Purity Ice Cream Company bought a new ice cream maker at the beginning of the year at a cost of $16,000. The estimated useful life was four years, and the residual value was $1,600. Assume that the estimated productive life of the machine was 9,600 hours. Actual annual usage was 3,840 hours in year 1; 2,880 hours in year 2; 1,920 hours in year 3; and 960 hours in year 4. Required: 1. Complete a separate depreciation schedule for each of the alternative methods. (Do not round intermediate calculations.) a.Straight-line. Year Depreciation Accumulated Expense Net Depreciation Book Value At acquisition 1 $ 3,840 2 $ 3,840 3 $ 3,840 4 $ 3,840