A stock has a beta of 1.15 and an expected return of 10.4 percent. A risk-free asset currently eams 3.8 percent. Required (a) What is the expected retum on a portfolio that is equaly invested in the two assets? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g. 32.16).) Expected return (b)If a parifalio of the two assels has a bala af .7, what are the parlfolia 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 (c)If a portfolio of the two assets has an expecled returm af 9 parcent, what is its bela? (Do not round intermediate calculations. Round your answer to 3 decimal places (e.g. 32.162).) Beta (d)If a portfolio of the two assets has a beta of 2.3, what are the portfolio weights? (Do not round intermediate calculations. Negative amounts should be indicated by a minus sign. Round your answers to 4 decimal places (e.g., 32.1616) Weight of the stock Weight of the risk-free asset