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	.18	.37	.27
Good	.15	.13	.14	.15
Poor	.40	.01	.11	.04
Bust	.20	.19	.16	.13

a. Your portfolio is invested 40 percent each in Stocks A and C and 20 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.)