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Depreciation Methods On January 2, 2015, Alvarez Company purchased an electroplating machine to help manufacture a part for one of its key products. The machine cost $260,700 and was estimated to have a useful life of six years or 700,000 cuttings, after which it could be sold for $26,400 Required a. Calculate each year's depreciation expense for the period 2015-2020 under each of the following depreciation methods (round all answers to the nearest dollar) 1. Straight-line 2. Double-declining balance 3. Units-of-production. (Assume annual production in platings of 140,000; 180,000; 100,000; 110,000; 80,000; and 90,000.) 1. Straight-Line Depreciation Year Expense 2015 $ 2016 2017 2018 2019 2020 2. Double-declining balance Depreciation YearExpense 2015 $ 2016 2017 2018 2019 2020 3. Units of Production Depreciation Year Expense 2015 $ 2016 2017 2018 2019 2020 b. Assume that the machine was purchased on September 1, 2015. Calculate each year's depreciation expense for the period 2015-2020 under each of the following depreciation methods: 1. Straight-line. 2. Double-declining balance 1. Straight-Line Depreciation Year Expense 2015 $ 2016 2017 2018 2019 2020 2021 2. Double-declining balance Depreciation Year Expense 2015 $ 2016 2017 2018 2019 2020 2021