Sheridan Company purchased a new machine on October 1,2025 , at a cost of $82,100. The company estimated that the machine has a salvage value of $3,660. The machine is expected to be used for 74,000 working hours during its 10 -year life. (a) Your answer is correct. Compute depreciation using declining-balance using double the straight-line rate for 2025 and 2026. (Round answers to 2 decimal places, e.g 2,152.75.) Attempts: 2 of 3 used (b) Your answer is incorrect. Calculate the depreciation cost per hour. (Round answer to 2 decimal places, e.g. 1.25.) Depreciation cost per hour \$ Compute depreciation using units-of-activity for 2025, assuming machine usage was 450 hours. (Round answer to 0 decimal places, e.g. 5,275.) Depreciation using the units-of-activity method for 2025 $