Suppose the Queens fund operate a complete portfolio with annual expected return of 10% and standard deviation of 15%. While T-bill has annual return of 3%. 4. If the standard deviation of the risky portfolio is 25%, What is the expected return and standard deviation of your client's portfolio if he wishes to invest 30% in the risk-free security? 5. Calculate the Sharpe-ratio and draw a CAL line. 6. Compare CAL line with CML, which uses S&P stock index as the risky stock that has the expected rate of return of 7% and 10% standard deviation