Problem 11-16 Using CAPM A stock has a beta of 1.10 and an expected return of 12 percent. A risk-free asset currently earns 2.6 percent. a. What is the expected return on a portfolio that is equally invested in the two assets? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. If a portfolio of the two assets has a beta of .77, what are the portfolio weights? (Do not round intermediate calculations and round your answers to 4 decimal places, e.g., .1616.) c. If a portfolio of the two assets has an expected return of 9 percent, what is the portfolio beta? (Do not round intermediate calculations and round your answer to 3 decimal places, e.g., 32.161.)