Consider six independent projects detailed below. Assume that each of the projects has ordinary cash flows (cash outflow at t-o followed by cash inflows from t=1 to t-7). The length of each project is 7 years. If the firm only has $60 to invest, then which project(s) should be chosen? Project NPV Initial Investment 20 55 B 17 50 14 45 D 13 20 12 10 F 2 5