Given the data below about two mutually exclusive projects with conventional cash flows and the same initial outlay, which one of the following statements about the two projects is correct? a. At any interest rate (t) greater than 24%, Project A has a positive NPV and is preferred to Project B. b. At any interest rate between 18% and 24%, Project B is preferred to Project A. c. At any interest rate 18%, Project B has a NPV 30 and Project B's NPV is greater than Project A's NPV. d. At any interest rate 24%, Project B has a NPV' 0 but Project B's NPV is less than Project A's NPV. e. Atr =12%, Project A is preferred to Project B