Use the present value tables in Append x A and Appendix B to compute the NPV of each of the following cash inflows: Required: a. $20,250 received at the end of 15 years. The discount rate is 6 percent. b. $7,320 recelved at the end of four years and $15,750 received at the end of eight years. The discount rate is 8 percent. c. $1,570 received annually at the end of each of the next seven years. The discount rate is 4 percent. d. $43,000 received annually at the end of each of the next three years and $78,500 received at the end of the fourth year. The discount rate is 7 percent. Note: For all requirements, round discount factor(s) to 3 decimal places, all other intermediate calculations and final answers to the nearest whole dollar amount. Company J must choose between two alternative business expenditures with the following cashflows: Expenditure 1: $260,000 cash outflow Expenditure 2: $184,600 cash outflow Required: a. Determine the marginal tax rate at which the after-tax cash flows from the two expenditures are equal assuming that Expenditure 1 is fully deductible and Expenditure 2 is nondeductible. b. Determine the marginal tax rate at which the after-tax cash flows from the two expenditures are equal assuming that Expenditure 1 is 50 percent deductible and Expenditure 2 is nondeductible. c. Determine the marginal tax rate at which the after-tax cash flows from the two expenditures are equal assuming that Expenditure 1 is fully deductible and Expenditure 2 is 50 percent deductible. Complete this question by entering your answers in the tabs below. Determine the marginal tax rate at which the after-tax cash flows from the two expenditures are equal assuming that Expenditure 1 is fully deductible and Expenditure 2 is 50 percent deductible. Note: Round your final answer to nearest whole percentage