a. What is the payback period on each of these projects?b. Given that you wish to use the payback rule with a cutoff period of two years, which projects would you accept?c. If you use a cutoff period of three years, which projects would you accept?d. If the opportunity cost of capital is 10 percent, which projects have positive NPVs?e. “Payback gives too much weight to cash flows that occur after the cutoff date.” True or false?f. If the firm uses the discounted-payback rule, will it accept any negative-NPV projects? Will it turn down positive-NPV projects? Explain.