Assume the economy has a 20 percent chance of booming, a 30 percent chance of being recessionary, and being normal the remainder of the time. A stock is expected to return -10 percent in a boom, 15 percent in a normal economy, and 4.5 percent in a recession. What is the expected rate of return on this stock?

Group of answer choices

A. 4.75%

B. 6.85%

C. 3.85%

D. 5%