P11-2 (L01,2) (Depreciation for Partial PeriodsSL, Act., SYD, and Declining-Balance) The cost of equipment purchased by Charleston, Inc., on June 1, 2017, is $89,000. It is estimated that the machine will have a $5,000 salvage value at the end of its service life. Its service life is estimated at 7 years, its total working hours are estimated at 42,000, and its total production is esti- mated at 525,000 units. During 2017, the machine was operated 6,000 hours and produced 55,000 units. During 2018, the machine was operated 5,500 hours and produced 48,000 units. Instructions 0 Compute depreciation expense on the machine for the year ending December 31, 2017, and the year ending December 31, 2018, using the following methods. Make The Depaccator estrici (3 S how wel ook Aloe vera (a) Straight-line. (d) Sum-of-the-years'-digits. 12/31/17 (b) Units-of-output. (e) Declining-balance (twice the straight-line rate). 12/31/10 (c) Working hours