*Exercise 9-6 Rottino Company purchased a new machine on October 1, 2017, at a cost of $133,000. The company estimated that the machine will have a salvage value of $19,500. The machine is expected to be used for 10,000 working hours during its 5- year life. Compute the depreciation expense under straight-line method for 2017. (Round answer to O decimal places, e.g. 2,125.) 2017 Depreciation expense s28,375 Compute the depreciation expense under units-of-activity for 2017, assuming machine usage was 1,500 hours. (Round depreciation cost per unit to 2 decimal places, eg. 0.50 and depreciation rate to 0 decimal places, e.g. 15% Round final answer to 2 decimal places, e.g. 2,125.25.) 2017 Depreciation expense s Compute the depreciation expense under declining-balance using double the straight-line rate for 2017 and 2018. (Round answers to O decimal places, e.g. 2,125.) 2017 Depreciation expense s