. Which of the following investments might have multiple Internal rates of Return? Year Alternative A Alternative B Alternative C O -1000 -3000 -2300 1 200 700 -2400 2 300 700 0 3 400 700 0 4 500 700 0 U 600 700 2400 6 700 700 2300 17 -500 1700 2200 . Which of these two alternatives is better (use Incremental Internal Rate of Return analysis) at MARR of 10%? Year Alternative A Alternative B O -1500 -3000 1 800 1450 2 800 1450 3 800 1450