Whoops Ltd is considering investing in one of two mutually exclusive projects Q and R which are described below. Whoops' weighted average cost of capital (WACC) is 8%, the market return is 9% and the risk-free rate is 3%. Whoops estimates that the beta for project Q is 1.8 and the beta for project R is 0.6. The better investment for Whoops Ltd is Select one: a. Project Q, because it has a higher NPV using the WACC. b. Project R, because it has a higher NPV using the WACC. c. Project Q, because it has a higher risk-adjusted NPV. d. Project R, because it has a higher risk-adjusted NPV. e. Both should be accepted because they both have a positive NPV