The common stock of Manchester & Moore is expected to earn 5 percent in a recession, 10 percent in a normal economy, and -10 percent in a booming economy. The probability of a boom is 20 percent while the probability of a recession is 10 percent. What is the expected rate of return on this stock?

8.52 percent

8.74 percent

9.28 percent

5.5 percent

9.05 percent