You manage a risky portfolio with expected return of 17% and a SD of 27%. The t-bill rf=7%. If 70% is invested in risky portfolio and 30% in t-bills MMF. a) What is the return and SD of the portfolio? b) Suppose the risky portfolio has following stocks in given proportions: Stock A=27%x.7=18.9 Stock B =33%X.7=23.1 Stock C=40%x.7=70.028.0 blw 30tb1)1010 What are the investments proportions of each stock in the portfolio including tbills? What is the Sharpe ratio of your risky portfolio and your client's overall portfolio