A firm is considering the following projects. Its opportunity cost of capital is 9%. Time: Project A B Cash Flows, $ 0 1 2 3 4 -5, 200 +1,050 +1,050 +3,100 0 -1,200 0 +1,200 +2,100 +3,100 -5,200 +1,050 +1,050 +3,100 +5,200 a-1. What is the payback period on each project? (Do not round intermediate calculations. Round your answers to the nearest whole number.) Payback Period 3 years Project A Project B Project C 2 years 3 years 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 ("O").) Discounted Payback Period 0.00 years Project A Project B Project C years years