Depreciation Methods On January 2, Roth, Inc. purchased a laser cutting machine to be used in the fabrication of a part for one of its key products, 'he machine cost $80,000 and its estimated useful life was 4 years or 1.000,000 cuttings, after which it could be sold for $5,000. Calculate the depreciation expense for each year of the machine's useful life under each of the following depreciation methods: (Round all answers to the nearest dollar.) Straight-line. Double-declining balance. Units-of-production. Assume annual production in cuttings of:200.000 Yr. 1 350.CCO Yr. 2 260.CCC Yr. 3 190,000 Yr. 4 Straight-Line Double-declining balance Unit of Production