单选题 Which of the following statements about net present value (NPV) and internal rate of return (IRK) is FALSE? A. The NPV method assumes that cash flows will be reinvested at the cost of capital while the IRR method assumes that they are reinvested at the IRR. B. The IRR is the discount rate that equals the present value of the cash inflows with the present value of outflows. C. On mutually exclusive projects, if the NPV method and the IRR method give conflicting signals, you should use the IRR to select the project.