If we assume that the annual return on common stocks are normally distributed, then approximately 99% of the returns will fall within the range _____ if the average historical return is 13.0% with a standard deviation of 20.2%. -47.6% to 73.6% -27.40% to 53.40% -57.97% to 63.23% 18.80% to 59.20% -7.20% to 33.20%