(c) Compute the depreciation expense under declining-balance using double the straight-line rate for 2022 and 2023. 2022 2023 Depreciation expense $ $ Wildhorse Co. purchased a new machine on October 1, 2022, at a cost of $130,000. The company estimated that the machine will have a salvage value of $18,000. The machine is expected to be used for 10,000 working hours during its 5-year life. (a) ) Your answer is correct. Compute the depreciation expense under straight-line method for 2022. 2022 Depreciation expense $ 5600 e Textbook and Media Attempts: 1 of 3 used (b) Your answer is correct. Compute the depreciation expense under units-of-activity for 2022, assuming machine usage was 1,620 hours. (Round depreciable cost per unit to 2 decimal places, e.g. 0.50 and final answer to o decimal places, eg. 2.125.) 2022 Depreciation expense $ 18144