A stock had returns of 20 percent, 15 percent, 14 percent, 5 percent, 14 percent, and 20 percent over the last six years. What is the arithmetic return for the stock? 14.67% 14.77% 17.60% 14.87% 15.40% What is the geometric return for the stock? 14.55% 14.91% 17.71% 14.65% 14.35%