11-31. Please solve the PW of the depreciation schedule based on 15% interest rate. I know how to find A, B, C, D. Please show formula and steps on finding the PW of A, B, C, and D. The answers are $9536, $11,058, $13803, $12,091 respectively. I just need to know how to get those answers. Thank you.

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ation . If 10% is appropriate, which depreciation method e nters selected? ould be 1-31 A small used delivery van can be purc ed f $20,000. At the end of its useful life (8 the van can be sold for $3000. Determine the of the depreciation schedule based on 15% using: (a) Straight-line depreciation (b) Sum-of-years'-digits depreciation (c) MACRS depreciation (d) Double declining balance depreciation $20,000. At the end of its usef hd 0r nterest 1-32 Loretta Livermore Labs purchased R&D costing $200,000. The interest rate is 5 upment