Marked out of 18.75 Flag question NPV and IRR: Unequal Annual Net Cash Inflows Salt River Company is evaluating a capital expenditure proposal that has the following predicted cash flows: Initial investment $(70,570) Operation Year 1 30,000 Year 2 40,000 Year 3 20,000 Salvage 0 (a) Using a discount rate of 12 percent, determine the net present value of the investment proposal. (Round to the nearest whole number.) $ (b) Determine the proposal's internal rate of return. (Refer to Appendix 24B if you use the table approach.) Hint: You will need to use a trial-and-error approach. (Round to the nearest whole percentage.) %