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	0.20	0.19	0.46	0.32
Good	0.40	0.12	0.19	0.14
Poor	0.10	0.04	0.09	0.05
Bust	0.30	0.04	0.30	0.09

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

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.)