As always, I will give a thumbs up to correct answers

The common stock of MaryAnn Lorenzen, Inc., had annual returns of 15.6 percent, 2.4 percent, -11.8 percent, and 32.9 percent over the last four years, respectively. What is the geometric average of these returns? 38.76% 8.53% 17.80% 15.16% 6.67%