A firm is considering the following projects. Its opportunity cost of capital is 9%. Cash Flows, $ Project Time: 0 1 2 3 4 A -6,700 +1,425 +1,425 +3,850 0 B -2,700 0 +2,700 +2,850 +3,850 C -6,700 +1,425 +1,425 +3,850 +6,700 ________________________________________ a-1. What is the payback period on each project? (Do not round intermediate calculations. Round your answers to the nearest whole number.) a-2. What is the discounted payback period on each project? (Do not round intermediate calculations. Round your answers to 2 decimal places. If any of the projects does not pay back on a discounted basis, enter zero ("0").) b. Given that you wish to use the payback rule with a cutoff period of 2 years, which projects would you accept