4.A stock has had returns of -19.4 percent, 29.4 percent, 28.8 percent, -10.5 percent, 35.2 percent, and 27.4 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 average return % Geometric average return %