For each of the following depreciable assets, determine the missing amount. Abbreviations for depreciation methods are SL for straight-line and DDB for double-declining-balance. (Do not round intermediate calculations. Round your final answers to nearest whole dollar.) Residual Asset Cost Value A $ 20,000 B 40.000 Service Life Depreciation Depreciation (Years) Method (Year 2) 5 DDB $ 24,000 8 SL 4,500 SL 6,000 10 22,000 8 DDB 65,000 5,000 230,000 10,000 D E 200,000 20,000