Q1. Dinah, the operator of Dinah's Diner, wishes to choose between two alternative investments providing the following annual net cash inflows over the five-year investment period: Year Alternative 2 $ 4,200 5,800 8,500 11,500 12,100 12 3 4 5 Alternative 1 $8,000 8,600 8,800 8,200 4,100 a. Calculate the paypack time for each alternative, assuming initial investment of $33,000 under each alternative. (3 points) b. Using NPV at 12 percent, would either of them be a good investment for Dinah? (3 points)