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 $240,000 and was estimated to have a useful life of six years or 700,000 cuttings, after which it could be sold for $24,400. Required a. Calculate each year's depreciation expense for the period 2015-2020 under each of the following depreciation methods (round all answers to the nearest dollars 1. Straight line 2. Double-dedining balance. 3. Units of production. (Assume annual production in platings of 140,000; 180,000; 100,000: 110,000; 80,000; and 90,000) 1. Straight line Depreciation Year Expense 20155 35,933 2016 35.933 2017 35,933 2018 35,933 2019 35,933 2020 35.933 2. Double-declining balance Depreciation et DU DO 2. Double-declining balance Depreciation Year Expense 2015$ 80,000 2016 53,333 2017 35,556 2019 15,803 x