A stock has had returns of −18.9 percent, 28.9 percent, 22.8 percent, −10.0 percent, 34.7 percent, and 26.9 percent over the last six years. Required: What are the arithmetic and geometric returns for the stock? (Do not round intermediate calculations. Enter your answers as a percentage rounded to 2 decimal places (e.g., 32.16).) Arithmetic averages return % Geometric average return