Bills are paying a 4% rate of return. A risk-averse investor with a risk aversion of A = 3 should invest entirely in a risky portfolio with a standard deviation of 24% only if the risky portfolio's expected return is at least A) 8.67% B) 21.28% C) 14.68% D) 9.84% A tax free municipal bond provides a yield of 3.2%. What is the equivalent taxable yield on the bond given a 35% tax bracket? A) 3.68% B) 4.92% C)3.2% D) 5%