A stock has a beta of 1.15 and an expected return of 11.4 percent. A risk-free asset currently earns 3.5 percent. answer as a 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 percent rounded to 2 decimal places, e.g., 32.16.) b.lf a portfolio of the two assets has a beta of.7, 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 its beta? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) d.If a portfolio of the two assets has a beta of 2.30, what are the portfolio weights? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and enter your answers as a percent round to 4 decimal places, e.g., 32.1616.) a. % b. Expected return Weight of the stock Weight of the risk-free asset C. Beta d Weight of the stock Weight of the risk-free asset