Project C and Project D are two mutually exclusive projects with normal cash flows and the same risk. If the WACC were equal to 10 percent, the two projects would have the same positive NPV. However, if the WACC is less than 10 percent, Project C has a higher NPV, whereas if the WACC is greater than 10 percent, Project D has a higher NPV. On the basis of this information, which of the following statements is most correct? a. Project D has a higher IRR, regardless of the cost of capital. b. If the WACC is less than 10 percent, Project C has a higher IRR. c. If the WACC is less than 10 percent, Project Ds MIRR is