Required information [The following information applies to the questions displayed below.] On April 1, 2017, Cyclone's Backhoe Co. purchases a trencher for $280,000. The machine is expected to last five years and have a salvage value of $40,000. Compute depreciation expense for both years ending December 2017 and 2018 assuming the company uses the double-declining- balance method. (Enter all amounts as positive values.) End of Period Depreciation for the Period Depreciation Partial Rate Year Depreciation Accumulated Expense Depreciation Book Value Beginning of Annual Period Period Book Value 2017 2018