A stock has a beta of 1.55 and an expected return of 15 percent. A risk-free asset currently earns 2.2 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 (e.g., 32.16).)

Expected return

%

b.	If a portfolio of the two assets has a beta of .93, what are the portfolio weights? (Do not round intermediate calculations. Round your answers to 2 decimal places (e.g., 32.16).)

Weight of stock
Risk-free weight

c.	If a portfolio of the two assets has an expected return of 8 percent, what is its beta? (Do not round intermediate calculations and round your answer to 3 decimal places (e.g., 32.161).)

Beta

d.	If a portfolio of the two assets has a beta of 3.1, what are the portfolio weights? (Do not round intermediate calculations. Negative amount should be indicated by a minus sign.)

Weight of stock
Risk-free weight