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23 Depreciation Methods On January 1, Cleveland Company purchased an electroplating machine to help manufacture a part for one of its key products. The machine cost $217,000 and its life was 6 years or estimated useful 781,000 cuttings, after which it could be sold for $23,500 Required a. Calculate each year's depreciation expense for years 1-6, 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: 140,000 180,000 150,000 125,000 105,000 81,000 781,000 b. Assume that the machine was purchased on September 1 of year 1. Calculate each year's depreciation expense for years 1-7 under each of the following depreciation methods: 1. Straight-line. 2. Double-declining balance