Consider the following information:

		Rate of Return if State Occurs
State of Economy	Probability of State of Economy	Stock A	Stock B	Stock C
Boom	0.30	0.23	0.31	0.30
Good	0.15	0.16	0.11	0.12
Poor	0.30	0.02	0.08	0.07
Bust	0.25	0.22	0.24	0.13

a. Your portfolio is invested 25 percent each in A and C and 50 percent in B. What is the expected return of the portfolio? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

Expected return

%

b-1. What is the variance of this portfolio? (Do not round intermediate calculations. Round your answer to 5 decimal places.)

	Variance

b-2. What is the standard deviation? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

Standard deviation %