Consider the following information:

State of Economy	Probability of State of Economy	Rate of Return if State Occurs
Stock A	Stock B	Stock C
Boom	.15	.40	.50	.30
Good	.60	.16	.10	.09
Poor	.20	.02	.05	.03
Bust	.05	.18	.25	.11

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 and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)
b-1.	What is the variance of this portfolio? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., .16161.)
b-2.	What is the standard deviation? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)