$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. D tros to edinomo metod Instructions Compute the depreciation expense under the following methods for the year indicated. (a) Straight-line for 2017. (b) Units-of-activity for 2017, assuming machine usage was 1,700 hours. (C) Declining-balance using double the straight-line rate for 2017 and 2018