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) (b) 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, eg. 0.50 and final answer to O decimal places, e.g. 2,125.) Depreciation expense 2022 Compute the depreciation expense under declining-balance using double the straight-line rate for 2022 and 2023. Depreciation expense 2022 2023