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View Policies Current Attempt in Progress Wildhorse Corporation purchased a new machine for its assembly process on August 1, 2020. The cost of this machine was $160,500. The company estimated that the machine would have a salvage value of $16,500 at the end of its service life. Its life is estimated at 5 years, and its working hours are estimated at 20,000 hours. Year-end is December 31 Compute the depreciation expense under the following methods. Each of the following should be considered unrelated. (Round depreciation rate per hour to 2 decimal places, es 5.35 for computational purposes. Round your answers to decimal places, 6.8. 45,892.) (a) Straight-line depreciation for 2020 (b) Activity method for 2020, assuming that machine usage was 700 hours (c) Sum of the years' digits for 2021 (d) Double-dedining-balance for 2021 eTextbook and Media