A stock has a beta of 1.31 and an expected return of 12.9 percent. A risk-free asset currently earns 4.35 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).)

Expected return

%

(b)	If a portfolio of the two assets has a beta of 0.91, 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

(c)	If a portfolio of the two assets has an expected return of 12.1 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 2.51, 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