Gruman Company purchased a machine for $220,000 on January 2, 2016. It made the following estimates: Service life 5 years or 10,000 hours Production 200,000 units Residual value $20,000 In 2016, Gruman uses the machine for 1,800 hours and produces 44,000 units. In 2017, Gruman uses the machine for 1,500 hours and produces 35,000 units. If required, round your final answers to the nearest dollar. Required: 1. Compute the depreciation for 2016 and 2017 under Soch of the following methods: a. Straight-line method 20165 20175 b. Sum-of-the-years'-digits method 20165 201;5 c. Douste-declining-balance method 20155 20175 d. Activity method based on hours worked Activity method based on hours worked 2016$ 2017$ 2. For each method, what is the book valu Straight-line method 20165 20175 Sum-of-the-years'-digits method 20155 20175 Double-declining-balance method 2016.5 20175 Activity method based on hours worked 3. If Gruman used a service life of 8 years or 15,000 hours and a residual value of $10,000, what would be the effect on the following under the straight-line, sumof-the-years'-digits, and double-declining-balance depreciation methods? Depreciation expense a. Straight-line method 2016$ 2017$ b. Sum-of-the-years'-digits method 2015$ 20175 c. Double-dedining-balance method {2016520175 Book value a. 5 traight-line method 20155 20175 b. Sumpof-the-years'-digits method 20155 20175 c. Double-declining-balance method 20165 a. Straight-line method 2016$ 2017$ b. Sum-of-the-years'-digits method 2016$ 2017$ c. Double-declining-balance method 20145 20145