A stock has a beta of 1.38 and an expected return of 13.6 percent. A risk-free asset currently earns 4.7 percent. Required: e expected return on a portfolio that is equally invested in the two assets? (Do not round intermediate calculations. Enter your answer as a percentage round 32.16).) Expected return (b) If a portfolio of the two assets has a beta of 0.98, what are the portfolio weights? (Do not round intermediate calculations. Round your answers to 4 decimal places (e.g., 32.1616).) Weight of the stock Weight of the risk-free asset of the two assets has an expected return of 12.8 percent, what is its beta? (Do not round intermediate calculations. Round your answer to 2 decimal places (e.g., 32.16).) Beta (d) If a portfolio of the two assets has a beta of 2.58, what are the portfolio weights? (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to 4 decimal places (e.g. 32.1616).) Weight of the stock Weight of the risk-free asset