The cost of equipment purchased by Crane, Inc, on June 1,2025 , is $100,800. It is estimated that the machine will have a $8,400 salvage value at the end of its service life. Its service life is estimated at 7 years, its total working hours are estimated at 46,200 , and its total production is estimated at 616,000 units. During 2025, the machine was operated 6,120 hours and produced 56,100 units. During 2026 , the machine was operated 5,610 hours and produced 48,960 units. Compute depreciation expense on the machine for the year ending December 31, 2025, and the year ending December 31,2026 , using the following methods. (Round depreciation per unit to 2 decimal places, es. 15.25 and final answers to 0 decimal places, es. 45,892 .)