Problem 6: [15 points) A corporation is considering 7 projects. All seven require the same investment, but have different cash-flow patterns. The cash-flows are shown below. The corporation applies a 10% discount rate. Project 6 and 7 are mutually exclusive. (a) Rank the projects by Payback Period, Discounted Payback Period, NPV. Profitability Index and IRR. Project cash-flows are in thousands of dollars. (10 points) (b) At what discount rate will Project 6 and Project 7 have the same NPV? [5 points) Time Project Number 1 2 3 4 5 6 7 Initial Investment -2,000 -2,000 -2,000 -2,000 -2,000 -2,000 -2,000 330 1666 280 2200 1200 -350 330 334 280 900 -60 330 165 280 | 330 280 90350 701 700 1200 2250 1000 300 60 11 280 330 330 330/ 280 280 IIIIII 280 280 T NEO 280 280 280 280 10000 15