On January 2, 2015. Alvarez Company purchased an electroplating machine to help manufacture a part for one of its key products. The machine cost $340,000 and was estimated in have a useful i 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 tround 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 Year Expense 2015 2016 MacBook Air 0