A stock has an expected return of 10.2 percent and a beta of .91 , and the expected return on the market is 10.8 percent. What must the risk-free rate be? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) A stock has an expected return of 10.9 percent, its beta is 90 , and the risk-free rate is 2.8 percent. What must the expected return on the market be? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)