Assume that you manage a risky portfolio with an expected rate of return of 15% and a standard deviation of 31%. The T-bill rate is 4%. Your client chooses to invest 70% of a portfolio in your fund and 30% in a T-bill money market fund. Required: a. What are the expected return and standard deviation of your client's portfolio? (Round your answers to 1 decimal place.) Expected return % per year % per year Standard deviation b. Suppose your risky portfolio includes the following investments in the given proportions: Stock A 26% 33 Stock B Stock C 41 What are the investment proportions of your client's overall portfolio, including the position in T-bills? (Round your answers to 1 decimal place.) Security Investment Proportions T-Bills Stock A Stock B Stock C % % % %