Consider the following information:

Rate of Return if State Occurs

State of

Probability of

Economy

State of Economy

Stock A

Stock B

Stock C

Boom

.20

.24

.45

.33

Good

.35

.09

.10

.15

Poor

.30

.03

? .10

? .05

Bust

.15

? .05

? .25

? .09

a. Your portfolio is invested 30 percent each in A and C, and 40 percent in B . What is the expected return of the portfolio? (Do not round intermediate calculations and round your answer to 2 decimal places. (e.g., 32.16))

Expected return % : 7.43

b-1. What is the variance of this portfolio? (Do not round intermediate calculations and round your answer to 5 decimal places. (e.g., 32.16161))

Variance

b-2. What is the standard deviation? (Do not round intermediate calculations and round your answer to 2 decimal places. (e.g., 32.16))

Standard deviation %

I need help finding the variance!!