Freedman Flowers' stock has a 50% chance of producing a 22% return, a 30% chance of producing a 36% return, and a 20% chance of producins a 20% return. What is the firm's expected rate of return? Select the correct answer. a. 17.72% b. 17.74% c. 17.80% d. 17.76% e. 17.78%