Your division is considering two investment projects, each of which requires an up-front expenditure of $25 million. You estimate that the cost of capital is 12% and that the investments will produce the following after-tax cash flows (in millions of dollars): Year Project A Project B 1 5 20 2 10 10 3 15 8 4 20 6 a.What is the regular payback period for each of the projects? Round your answers to two decimal places. Project A years Project B years b.What is the discounted payback period for each of the projects? Round your answers to two decimal places. Project A years Project B years