Computing Partial Period, Double-Declining-Balance Depreciation Chido Company purchased a machine that was installed and placed in service on July 1 of the current year at a cost of $60,000, including installation cost. Salvage value was estimated at $10,000. The machine is being depreciated over 10 years by the double-declining-balance method. For the year ended December 31 of the next year, compute depreciation expense. Depreciation expense for the next year