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The following table shows realized rates of return for two stocks. What is the correlation coefficent? You have $7,000 to invest. You've done some security analysis and generated the following data for three stocks and Treasury bills, including weights in the optimal risky portfolio (ORP) from doing Markowitz portfolio optimization: Attempt 2/3 for 10 pts. If you want to achieve an expected return of 8% for the completerportfolio, how much money should you invest in stock B (in \$)? Attempt 1/3 for 10 pts. What is the ratio of the Sharpe ratio of the complete portfolio to the Sharpe ratio of the ORP