You have 7 projects as described in the table below. This is a 12-year project with an MARR of 6%. A B C D E F G H a) (7 points) Use the IRR method to select the most feasible alternative. Which alternative should you pursue? 3 b) (3 points) Use the profiability index method to select the most viable alternative. Explain why. -10000 1200 1200 1200 1200 1200 1200 1200 1200 1200 -12000 1300 1300 1300 1300 1300 1300 1300 1300 1300 1300 1300 1300 -5000 -3000 -2000 -1000 1000 1000 1000 2000 2000 2000 2500 2500 2500 -10500 -1200 -1200 -1200 3000 3000 3000 3000 3000 3000 3000 3000 -15000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 3600 -9000 1100 1100 1100 1100 1100 1100 1100 1100 1100 -16000 2100 2100 2100 2100 2100 2100 2100 2100 2100 2100 2100 4000 1200 1100 1200 1200 1100 1100 3000