The returns on the common stock of Tesla are quite cyclical. In a boom economy, the stock is expected to return 32 percent in comparison to 14 percent in a normal economy and a negative 28 percent in a recessionary period. The probability of a recession is 30 percent while the probability of a boom is 35 percent. What is the standard deviation of the returns on this stock? Select the choice that is closest to your answer. 21.41 percent 24.55 percent 26.09 percent 28.83 percent