BACK Exercise 10-06 - Blue Spruce Company purchased a new machine on October 1, 2020, at a cost of $113,600. The company estimated that the machine will have a salvage value of $13,000. 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 decimal places... 2.125.) 2020 Depreciation expense Compute the depredation expense under units of activity for 2020, assuming machine usage was 1,630 hours. (Round Intermediate calculations to I decimal place, and final answer to decimal places, e.g. 2.125.) 2020 Deprecation expense Compute the depreciation expense under declining-balance using double the straight line rate for 2020 and 2021. Round answers to decimal places... 2,125.) 2020 2021 Depreciation expense $ Click if you would like to Show Work for this question: Door Show. Work