General Motors estimates that its required rate of return is 12 percent. The company is considering two mutually exclusive projects whose after-tax cash flows are as follows: MIRRS =18.35%; MIRRL =12.66% MIRRS =16.77%; MIRRL =14.26% MIRRS =30.65%; MIRRL =9.64% MIRRS =36.95%; MIRRL =10.26% MIRRS =24.05%; MIRRL =12.02% MIRRS =30.06%; MIRRL =11.92% MIRRS =30.96%; MIRRL =7.37% MIRRS =31.65%; MIRRL =10.64%