1- Cash Flows (S) Project Co -5,000 1,000 1,000 3,000 -1,000 5,000 1,000 1,000 3,000 5,000 C1 +1,000 2,000 +3,000 What is the payback period on each of the above projects? Given that you wish to use the payback rule with a cutoff period of two years, which projects would you accept? If you use a cutoff period of three years, which projects would you accept? If the opportunity cost of capital is 10%, which projects have positive NPVs? a. b. c. d