You invest 1 million dollars into a portfolio of four stocks, as provided below. The risk-free rate is 4% and the expected return on the market is 11%. a. Stock Value Invested | Required Return Std. Dev. A B C D C. $300,000 $210,000 $340,000 $150,000 13.3% 15.0% 8.6% 11.0% 9.1% 15.0% 12.7% 13.0% What is the beta of this portfolio? b. What is the expected return for the portfolio? Which stock has the greatest market risk? d. Which stock has the greatest stand-alone risk? e. Which stock appears to be the best single investment? Explain your answer. C.V. 0.59 1.11 1.56 1.20