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2. Payback Consider the following projects: Cash Flows ($) Project Co C C2 Cz CA C5 A B - 1,000 +1,000 0 0 0 0 -2,000 +1,000 +1,000 +4,000 +1,000 +1,000 -3,000 +1,000 +1,000 0 +1,000 +1,000 a. If the opportunity cost of capital is 10%, which projects have a positive NPV? b. Calculate the payback period for each project. Which project(s) would a firm using the payback rule accept if the cutoff period is three years? page 128 c