Depreciation by two methods A storage tank acquired at the beginning of the fiscal year at a cost of $86,400 has an estimated realdual value of $5,200 and an estimated useful life of 4 yearsi a. Determine the amount of annual depreciation by the atraight=line nethod. b. Determine the amount of depreciation for the first and second years computed by the doubletedining-balancu method, Do not round the doubiedeclining balance rate. If required, round your answers to the nearest dollar