4 pts Question 24 You are choosing between T-bills yielding 5% and a risky portfolio that has an expected return of 11% and a standard deviation of 15%. Suppose w is the proportion of the total investment fund you invest in the risky portfolio and the remaining fund you invest in T-bills. The expected return on your complete portfolio is A w x 11% + (1 - w) x 5% B. w x 15% C. w x 5% + (1 - w) x 11% D. w x 11% + (1 - w) x 15% OA D