Slug and Jiggers Apothecary is expected to earn 20 percent in a booming economy, 10 percent in a normal economy, and earn 2 percent in a recessionary economy. There is a 5 percent probability of a boom and a 90 percent chance of a normal economy. What is the standard deviation of return on this stock? Select one: A. 10.11% B. 7.36% C. 2.86% D. 8.19% O E. 5.67%