PlasticWorks Corporation bought a machine at the beginning of the year at a cost of $12,000. 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 was: year 1, 3,000 units; year 2, 3,000 units; year 3, 2,000 units; year 4, 1,000 units; and year 5, 1,000 units. Required: 1. Complete a depreciation schedule for each of the alternative methods. (Enter all values as positive amount.) b. Units-of-production. c. Double-declining-balance. 2-a. Which method will result in the highest net income in year 2? Straight-line Double-declining-balance Units-of-production 2-b. Does this higher net income mean the machine was used more efficiently under this depreciation method? No Yes