Carla Vista Co. purchased a nev machine on October 1, 2025, at a cost of $108,100. The company estimated that the machine has a salvage value of $3,100. The machine is expected to be used for 100,000 working hours during its 10 -year life. (a) 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.) eTextbook and Media Solution Attempts: 3 of 3 used (b) Calcul ate 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 480 hours. (Round answer to 0 decimal places, e.g. 5.275.) Depreciation using the units-of-activity method for 2025$