after A tractor for over-the-road hauling is purchased for $85,000.00. It is expected to be of use to the company for 6 years, which it will be salvaged for $4,800.00. Calculate the depreciation deduction and the unrecovered investment during each year of the tractors life. a. Use straight-line depreciation. Provide depreciation and book value for year 6 Depreciation for year 6$ book value for year 6$ b. Use declining-balance depreciation, with a rate that ensures the book value equals the salvage value. Provide depreciation and book value for year 6. Depreciation for year 6 book value for year 6-$ c. Use double declining balance depreciation. Provide depreciation and book value for year 6. Depreciation for year 6 book value for year 6 d. Use double declining balance, switching to straight-line depreciation. Provide depreciation and book value for year 6. Depreciation for year 6 s$ book value for year 6 s e. Use sum-of years-digit depreciation. Provide depreciation and book value for year 6. Depreciation for year 6 # S book value for year 6- Do all computations to 5 decimal places and round final answers to 2 decimal places. Tolerance is +/-50