You recently purchased a stock that is expected to earn 25 percent in a booming economy, earn 9 percent in a normal economy, and lose 15 percent in a recessionary economy. There is a 15 percent probability of a boom and a 60 percent chance of a normal economy. What is your expected rate of return on this stock? Select one: O a. -2.25 percent b. 4.60 percent O c. 3.40 percent O d. 5.40 percent O e. 3.85 percent