Which of the following statements is false? a. The NPV will be positive if the IRR is less than the required rate of return. b. If the multiple IRR problem does not exist, any independent project acceptable by the NPV method will also be acceptable by the IRR method. c. When IRR = k (the required rate of return), NPV = 0. d. The IRR can be positive even if the NPV is negative. e. The NPV method is not affected by the multiple IRR