The following are estimates for two of the stocks in problem 1.

Stock

Expected Return

Beta

Firm Specific Standard Deviation

A

13

0.8

30

B

18

1.2

40

The market index has a standard deviation of 22% and the risk free rate is 8%.

a. What is the standard deviation of stocks A and B?

b. Suppose that we were to construct a portfolio with proportions:

Stock A: .30

Stock B: .45

T bills: .25

Compute the expected return, standard deviation, beta, and nonsystematic standard deviation of the portfolio.