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	.19	.38	.28
Good	.25	.16	.23	.10
Poor	.10	.00	.09	.05
Bust	.45	.08	.22	.10

a. Your portfolio is invested 25 percent each in Stocks A and C and 50 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.)

Expected return=_____%

b-1. What is the variance of this portfolio? (Do not round intermediate calculations. Round your answer to 5 decimal places.)

Variance=_____

b-2. What is the standard deviation? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

Standard deviation= ______%