A stock has a beta of 1.0 and an expected return of 20 percent. A risk-free asset currently earns 5.1 percent a. What is the expected return on a portfolio that is equally invested in the two assets? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Answer is complete and correct. Expected return 12.55 i b. If a portfolio of the two assets has a beta of 41, what are the portfolio weights? (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Answer is complete but not entirely correct. Portfolio Weight Stock Risk-free asset 0.41 % 0.59% c. If a portfolio of the two assets has an expected return of 10.75 percent, what is its beta? (Do not round intermediate calculations. Round your answer to 4 decimal places.) Beta Answer is complete but not entirely correct. 1.0000 d. If a portfolio of the two assets has a beta of 1.18, what are the portfolio weights? (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Answer is complete but not entirely correct. Stock Risk-free asset Portfolio Weight 1.18% -0.18%