S&S stock is expected to return 17.5 percent in a booming economy, 12.4 percent in a normal economy, and 1.2 percent in a recession. The probabilities of an economic boom, normal state, or recession are 2 percent, 90 percent, and 8 percent, respectively. What is the expected rate of return on this stock?

	11.89 percent
	12.56 percent
	12.43 percent
	11.61 percent
	10.50 percent