6. A firm has the following investment opportunities. Required investment outlays and the profitability index for each of these investments are as follows: Project Investment Cost | $300,000 || 450,000 ||| 650,000 IV Profitability Index 0.5 1.4 1.8 1.6 750,000 The firm's budget ceiling for initial outlays during the present period is P1,500,000. The proposed projects are independent of each other. Which project or projects would you recommend that the firm accept