A stock has a beta of 1.37 and an expected return of 13.5 percent. A risk-free asset currently earns 4.65 percent.

Required:
(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 percentage rounded to 2 decimal places (e.g., 32.16).)

(b)	If a portfolio of the two assets has a beta of 0.97, what are the portfolio weights? (Do not round intermediate calculations. Round your answers to 4 decimal places (e.g., 32.1616).)

(c)	If a portfolio of the two assets has an expected return of 12.7 percent, what is its beta? (Do not round intermediate calculations. Round your answer to 2 decimal places (e.g., 32.16).)

(d)	If a portfolio of the two assets has a beta of 2.57, what are the portfolio weights?