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 $(46,420) Operation Year 1 20,000 Year 2 20,000 Year 3 20,000 Salvage 0 (a) Using a discount rate of 10 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. (Round to the nearest whole number.)