finance help please
1. Assume that you manage a risky portfolio with an expected rate of return of 18% and a standard deviation of 28%. The T-bill rate is 8%. Your client chooses to invest 70% of a portfolio in your fund and 30% in a T-bill money market fund. a) What is the expected value and standard deviation of the rate of return on his portfolio? b) Suppose that your risky portfolio includes the following investments in the given proportions: Asset Stock A Stock B Stock C Proportions 25% 32% 43% What are the investment proportions of your client's overall portfolio, including the position in T-bills? c) What is the reward-to-volatility ratio, i.e. the Sharpe ratio, of your risky portfolio and your client's portfolio?