On January 4, 20X1, Columbus Company purchased new equipment for $681,000 that had a useful life of four years and a salvage value of $51,000 Required: Prepare a schedule showing the annual depreciation and end-of-year accumulated depreciation for the first three years of the asset' life under the straight-line method, the sum-of-the-years'-digits method, and the double-declining-balance method. Analyze: If the sum-of-the-years'-digits method is used to compute depreciation, what would be the book value of the asset at the end of 20x Answer is not complete. Complete this question by entering your answers in the tabs below. Prepare a schedule showing the annual depreciation and end-of-year accumulated depreciation for the first three years of the asset's life under the sum-of-the-years'-digits method