You manage the following $5 million portfolio that contains stocks A through D. The required rate of return on the market is 7.00% and the risk-free rate is 2.25%. What is the portfolio's required rate of return? Do not round your intermediate calculations. Stock Amount Beta A 725,000 1.25 B 275,000 0.75 C 3,500,000 1.15 D 500,000 0.65 $5,000,000