Pronghorn Corp. purchased a boardroom table for $17,880. The company planned to keep it for four years, after which it was expected to be sold for $960. Calculate the depreciation expense for each of the first three years under the straight-line method and the double-diminishing-balance method, assuming the table was purchased early in the first month of the first year (1) Straight-line method Year 1 $ Year 2 $ Year 3 $ (2) Double-diminishing-balance method Year 1 $ Year 2$ Year 3$