WireDot Inc. is a manufacturer of specialized machinery. WireDot purchased a new stamping machine at the beginning of the year at a cost of $620,000. The estimated residual value was $69,800. Assume that the estimated useful life was five years, and the estimated productive life of the machine was 262.000 units. Actual annual production was as follows: Required: 1. Complete a separate depreciation schedule for each of the altemative methods. (Do not round your intermediate calculations.) a. Straight-line b. Units-of-production. c. Double-declining-balance