What is the expected return on a portfolio comprised of $9,750 of Stock X and $4,520 of Stock Y if the economy enjoys a boom period?

What is the expected return on a portfolio comprised of $9,750 of Stock X and $4,520 of Stock Y if the economy enjoys a boom period? State of Econom Probability of State of Economy Rate of Return if State Occurs Stock X Stock Y 108 087 024 156 097 069 .25 65 10 Boom Normal Recession A. 11.93 percent B. 11.57 percent C. 12.78 percent D. 12.32 percent