Project CO A B C1 -$2,100 +$2,000 +$1,200 -$2,100 +$1,440 +$1,728 Find the profitability index for both projects C2 Project CO A B C1 -$2,100 +$2,000 +$1,200 -$2,100 +$1,440 +$1,728 Find the profitability index for both projects C2