Horse Power Co. purchased a new machine on January 1, 2019, at a cost of $138,000. The company estimated that the machine will have a salvage value of $8,000. The machine is expected to be used for 10,000 working hours during its 5 year life. a)Using the depreciation straight-line method, what is the depreciation expense for one year Write the answer without using comma, use only numbers and point if necessary