Question 16 (1.25 points) Assume that you manage a risky portfolio with an expected rate of return of 14% and a standard deviation of 30%. The T-bill rate is 3.5%. Your client chooses to invest 50% of his fund in your risky portfolio and the remaining 50% fund in T-bills. What is the standard deviation of your client's portfolio? a) 27% b) 15% c) 30% d) 24%