Solar Innovations Corporation bought a machine at the beginning of the year at a cost of $22,000. The estimated useful life was five years and the residual value was $2,000. Assume that the estimated productive life of the machine is 10,000 units. Expected annual production for year 1. 2,000 units, year 2. 3,000 units; year 3, 2,000 units, year 4, 2,000 units, and year 5, 1,000 units. Required: 1. Complete a depreciation schedule for each of the alternative methods. (Do not round intermediate calculations.) a. Straight-line. b. Units-of-production