Required information [The following information applies to the questions displayed below.) On April 1, 2016, 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 2016 and 2017 assuming the company uses the double-declining- balance method. (Enter all amounts positive values.) End of Period Depreciation for the Period Beginning of Annual Period Period Book Depreciation Partial Depreciation Rate Year Value Expense 2016 2017 Accumulated Depreciation Book Value