7) 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	.25	.19	.30	.24
Good	.20	.13	.21	.10
Poor	.10	.04	.12	.01
Bust	.45	.12	.32	.10

a. Your portfolio is invested 35 percent each in Stocks A and C and 30 percent in Stock 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.)

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

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