REIT C (REIT is a real estate investment trust) had returns of 14 percent, 3 percent, 9 percent, and -12 percent annually for the past four years. What is the mean and standard deviation of these returns? A. 9.50%; .0100 B. 3.50%; .0069 C. 9.50%; .0033 D. 3.50%; 11.26% E. 3.50%; .0381