please solve it

Question 21 1 pts You recently purchased a stock that is expected to earn 20 percent in a booming economy, 9 percent in a normal economy, and lose 33 percent in a recessionary economy. There is a 5 percent probability of a boom and a 75 percent chance of a normal economy. What is your expected rate of return on this stock? Select the choice that is closest to your answer. O 1.15 percent -2.25 percent 2.60 percent 1.65 percent 1 pts