The following data are for Problems 7, 7.A. and 7.B.: The correlation coefficients between pairs of stocks are as follows: Corr(A,B)=.85;Corr(A,C)=.60;Corr(A,D)=.45. Each stock has an expected return of 8% and a standard deviation of 20%. 7- If your entire portfolio is now composed of stock A and you can add some of only one stock to your portfolio, would you choose (explain your choice): (1 Point) 1.B.2.C.3.D.4.Needmoredata. A. Would the answer to Problem 7 change for more risk-averse or risk-tolerant investors? Explain. B. Suppose that in addition to investing in one more stock you can invest in T-bills as well. Would you change your answers to Problems 7 and 7.A. if the T-bill rate is 8%