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Service life 5 years or 10,000 hours Production 180,000 units Residual value $ 18,000 In 2016, Gruman uses the machine for 2,000 hours and produces 45,000 units. In 2017, Gruman uses the machine for 1,200 hours and produces 32,000 units. If required, round your final answers to the nearest dollar. Required: 1. Compute the depreciation for 2016 and 2017 under each of the following methods: a. Straight-line method 2016 $ 36,000 2017$ 36,000 b. Sum-of-the-years'-digits method 2016 $ 60,000 2017$ 48,000 c. Double-declining-balance method 2016 $ 79,200 2017 $ 47,520 d. Activity method based on hours worked 2016 $ 36,000 2017$ 21,600 e Activity method based on units of output 2016 $ 45,000 2017 $ 32,000 2. For each method, what is the book value of the machine at the end of 2016? At the end of 2017? 3 Straight-line method 2016 $ 162,00 2017$ 126,000 b. Sum-of-the-years-digits method 2016 $ 138,00 2017$ 90,000 Double-declining-balance method 2016 $ 118,806 2017$ 71,280 d. Activity method based on hours worked 2016 $ 153,000 x 2017$ 121,000 x e Activity method based on units of output 2016 $ 2017 $