"Exercise 10-6 (Part Level Submission) Rottino Company purchased a new machine on October 1, 2017, at a cost of $148,000. The company estimated that the machine will have a salvage value of $13,600. The machine is expected to be used for 11,700 working hours during its 4-year life. Your answer is correct. Compute the depreciation expense under straight-line method for 2017. (Round answer to 0 decimal places, e.g. 2,125.) 2017 Depreciation expense ,40 Attempts: 1 of 3 used Your answer is correct. Compute the depreciation expense under units-of-activity for 2017, assuming machine usage was 1,790 hours. (Round answer to 0 decimal places, e.g. 2,125.) 2017 Depreciation expense 20567.1 Attempts: 1 of 3 used XYour answer is incorrect. Try again. Compute the depreciation expense under declining-balance using double the straight-line rate for 2017 and 2018. (Round answers to 0 decimal places, e.g. 2,125.) 2017 2018 Depreciation expense 38000 74000 Attempts: 2 of 3 used