Depreciation Methods Required a. Calculase cach year's deprociation expense for the machine's useful life under each of the following depreelation methoda (round all answers to the nearest dollar): 1. Straight-ine. 2. Double-declining balance. 3. Units of-production. (Assume annual production in cuttings of 200,000; 350,000; 260,000; and 110,000.) 1. Straght-Line 2. Double-declining balance 3. Units of Production b. Assume that the machine was purchased on July 1. Calculate cach ycar's depreciation expense for the machine's useful life under cach of the following deprociation methods: 1. Straight-line. 2 Double-declining balance. 1. Straight-Une 2. Double-declining balance (Round answers to the nearest whole number, when approprlate.)