On dec 1, 20×3, ABC. Co purchased equipment at the cost of $300 000. This equipment is estimated to have 5 year useful life. At the end of the 5th year, the salvage value (residual value) will be $10 000. Calculate the depreciation expenses for 20×4, 20×5and20×6 using double declining balance depreciation method. A. $43 200 B. $72 000 C. $120 000 第一位 ABC 第二位 ABC 第三位 ABC