You have been given this probability distribution for the holding period return for Cheese, Inc stock: State of Economy Boom Normal Growth Recession Probability .20 .45 .35 HPR 24% 15% 8% Assuming that the expected return on Cheese's stock is 14.35%, what is the standard deviation of these returns? A. 4.72% B. 5.74% O C. 6.30% O D. 4.38%