Rottino Company purchased a new machine on October 1,2022 , at a cost of $150,000. The company estimated that the machine will have a salvage value of $12,000. 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. eTextbook and Media Compute the depreciation expense under units-of-activity for 2022, assuming machine usage was 1,700 hours. (Round intermediate calculations to 1 decimal place, e.g.10.1 and final answer to 0 decimal places, e.g. 2,125.) Rottino Company purchased a new machine on October 1,2022 , at a cost of $150,000. The company estimated that the machine will have a salvage value of $12,000. 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. eTextbook and Media Compute the depreciation expense under units-of-activity for 2022, assuming machine usage was 1,700 hours. (Round intermediate calculations to 1 decimal place, e.g.10.1 and final answer to 0 decimal places, e.g. 2,125.)