A stock has a beta of 1.80 and an expected return of 13 percent. A risk-free asset currently earns 3.2 percent.

a.

What is the expected return on a portfolio that is equally invested in the two assets? (Round your answer to 2 decimal places. (e.g., 32.16))

b.

If a portfolio of the two assets has a beta of 0.99, what are the portfolio weights? (Round your answer to 4 decimal places. (e.g., 32.1616))

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 3 decimal places. (e.g., 32.161))

d.	If a portfolio of the two assets has a beta of 3.60, what are the portfolio weights? (Negative amount should be indicated by a minus sign.)