Given the following information, what is the standard deviation of a portfolio that is invested 40 percent in stock A, 25 percent in stock B, and 35 percent in stock C?

Rate of Return if State Occurs State Probability Stock A Stock B Stock C

Boom 0.15 .09 .14 .26 Normal 0.85 .16 .10 .12

Question options:

A)	4.01 percent

B)	3.59 percent

C)	3.46 percent

D)	1.11 percent