PlasticWorks Corporation bought a machine at the beginning of the year at a cost of $18,300. The estimated useful life was five years, and the residual value was $2,900. Assume that the estimated productive life of the machine is 15,400 units. Expected annual production was: year 1, 4,800 units, year 2 4,800 units, year 3, 2,900 units, year 4, 1,540 units, and year 5, 1,360 units Required 1. Complete a depreciation schedule for each of the alternative methods. (Enter all values as positive amount.) a. Straight-line Income Statement Depreciation Expense Balance Sheet Accumulated Depreciation Year Cost Book Value At acquisition $18,300 2 4 b. Units-of-production Income Statement Depreciation Expense Balance Sheet Accumulated Depreciation Year Cost Book Value At acquisition 4