A small truck is purchased for $87,000. It is expected to be of use to the company for 6 years, after which it will be sold for $10,500. Determine the depreciation deduction and the resulting unrecovered investment during each year of the assets life. A). Use straight-line depreciation: B). Use declining balance depreciation using a rate that ensures the book value equals the salvage value: C). Use double declining balance depreciation: D). Use double declining balance switching to straight line depreciation: