Which of the following projects below should the firm accept? The firm has a weighted average cost of capital of 15% and typically accepts projects that payback in less than two years. Assume projects are mutually exclusive and have normal cash flows. Project A has a discounted payback of 0.75 years. Project B has a discounted payback of 1.50 years. Project C has a discounted payback of 2.07 years. Project D has a discounted payback of 4.44 years