Question7 Novak Corp. purchased a new machine on October 1, 2019, at a cost of $ 137,000. The company estimated that the machine will have a salvage value of $ 21,500. 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 2019. (Round answer to O decimal places, e.g. 2,125. 2019 Depreciation expense $ Compute the depreciation expense under units-of-activity for 2019, assuming machine usage was 1,780 hours. (Round depreciation cost per unit to 2 decimal places, e.g. 0.50 and depreciation rate to O decimal places, e.g. 15%. Round final answer to 2 decimal places, eg. 2,125.25.) 2019 Depreciation expense $ Compute the depreciation expense under declining-balance using double the straight-line rate for 2019 and 2020. (Round answers to O decimal places, e.g. 2,125.) 2019 2020 Depreciation expense $