This problem is giving me issues. I can't figure out the correct answers to B and E. The rest I was able to do on my own.

Exercise 11-6 (Static) Depreciation methods; solving for unknowns (LO11-2] 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.) Asset Cost Residual Value $ 20,000 Service Life Depreciation Depreciation (Years) Method (Year 2) DDB $ 24,000 4,500 SL 6,000 22,000 SL C 40,000 65,000 230,000 200,000 5,000 10,000 20,000 8 DDB