E8-8 Computing Depreciation under Alternative Methods LO8-3 Purity ice Cream Company bought a new ice cream maker at the beginning of the yoar at a cost of 510,000 . The estimated useful lfe Was four yeers, and the residual value was $800. Assume that the estimated productive Ife of the machine was 11,500 hours. Actual annual usage was 3,900 hours in yoar \& 3,600 hours in year 2; 2,600 hours in year 3, and 1,400 hours in year 4. Required: 1-a. Complete a separate deprecistion schedule by using Straight Ine method. Pround your answers to the neurest deilar amsount. Make mire thut the carryting amount at the end of year 4 is nqual to the retiduat value. Depreclation expenas for the last period should be calculated as Carrying value of 3rd year minim residual valued 1.b. Complete a separate depreciation schedule by usitig Units of pioduetion miethod. (Pound your answers to the nearent dailer amount. Make sure that the carrying amount at the end of year a I squal to the resiflual value. Dapreciation expense for the last period should be calculated as Carrying value of 3rd year minus cesidual valien.i) te Complele a separate depreclation schedule by using Double declining balance mathod, (Round yeur answers to the nearent deliar amount. Make ture that the carrying amount at the und of year 4 is equal to the residuai valie. Dopreclation axaense for the last perioti thould be calculated as Carrying value of 3 rd year minus reslduat value.)