Which of the following statements about NPV and IRR is NOT correct? a. If the NPV of a project is zero, then the required rate of return must equal the

project's IRR. b. If a project's NPV is positive, it should be accepted.c. If a project's IRR is positive, it should be accepted. d. Finding projects with positive NPV's adds value to the company. e. The required return on a project can also be called the opportunity cost of capital or the discount rate or the total required return.