Double-Declining-Balance Depreciation A building acquired at the beginning of the year at a cost of $86,800 has an estimated residual value of $4,300 and an estimated useful life of four years. Determine the following. (a) The double-declining-balance rate 50 % The double-declining-balance depreciation for the first (b ) X Incorrect year Feedback Check My Work The double-declining rate is two times the straight-line rate. When the double-declining balance method is used, the estimated residual value is not considered