16. You recently purchased a stock that is expected to earn 19 percent in a booming economy, 8 percent in a normal economy, and lose 28 percent in a recessionary economy. There is a 20 percent probability of a boom and a 70 percent chance of a normal economy. What is your expected rate of return on this stock? 17. You recently purchased a stock that is expected to earn 19 percent in a booming economy, 8 percent in a normal economy, and lose 28 percent in a recessionary economy. There is a 20 percent probability of a boom and a 70 percent chance of a normal economy. What is standard deviation on this stock