You recently purchased a stock that is expected to earn 25 percent in a booming economy, 10 percent in a normal economy, and lose 35 percent in a recessionary economy. There is a 10 percent probability of a boom and a 75 percent chance of a normal economy. What is your expected rate of return on this stock? 5.25% O 4.75% 5.00% 4.35% 3.40%