Rate of Return If State Occurs
State of	Probability of
Economy	State of Economy			Stock A			Stock B			Stock C
Boom		.20			.32			.42			.22
Good		.50			.17			.13			.11
Poor		.25			.04			.07			.05
Bust		.05			.12			.17			.09

a.	Your portfolio is invested 28 percent each in A and C, and 44 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., .32161.)
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.)