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	.20	.18	.45	.23
Good	.20	.16	.18	.13
Poor	.40	.05	.15	.02
Bust	.20	.15	.35	.11

a. Your portfolio is invested 20 percent each in Stocks A and C and 60 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.)