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 com $260.000 and was stated to have the years of 700.000 cutting after which it could be sold for $26.400 Required 3. Calculate each years depreciation expense for the period 2015-2020 under each of the following depreciation methods fround all awwers to the nearedo 1. Straight line 2. Double-declining balance a Units of production (Assume annual production in platings of 140,000 180.000 10000 110.000 0.000 and 90.000)