You recently purchased a stock that is expected to earn 11 percent in a booming economy, 5 percent in a normal economy, and lose 3 percent in a recessionary economy. There is 15 percent probability of a boom, 72 percent chance of a normal economy, and 13 percent chance of a recession. What is your expected rate of return on this stock? 2.43%7.69%5.33%4.33%4.86%