Consider the following information on three stocks A, B and C:

State of Probability of Rate of Return Economy State Occurring A B C Boom .2 .20 .35 .60 Normal .6 .15 .12 .05 Bust .2 .01 -.25 -.50

If your portfolio is invested 30 percent each in A and B and 40 percent in C, what is the portfolio expected return? The variance? The standard deviation?

C. 9.16%, .03882, 19.70%

B. 4.30%, .08001, 28.29%

D. 8.72%, .04612, 21.48%

A. 9.16%, .08001, 28.29%