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Exercise 10-06 a-c Grouper Company purchased a new machine on October 1, 2020, at a cost of $114,800. The company estimated that the machine will have a salvage value of $14,800. The machine is expected to be used for 10,000 working hours during its 4-year life. Compute the depreciation expense under straight-line method for 2020. (Round answer to O decimal places, e.g. 2.125.) 2020 Depreciation expenses LINK TO TEXT Compute the depreciation expense under units-of-activity for 2020, assuming machine usage was 1,910 hours. (Round intermediate calculations to 1 decimal place, e.g.10.1 and final answer to 0 decimal places, e.g. 2,125.) 2020 Depreciation expense LINK TO TEXT Compute the depreciation expense under declining-balance using double the straight-line rate for 2020 and 2021. (Round answers to 0 decimal places, e.g. 2,125.) 2020 2021 Depreciation expense Click if you would like to Show Work for this question: Open Show Work LINK TO TEXT