Question 6 (0.2 points) Which one of the following statements is true regarding historical returns? 1) The returns on small-company stocks were more volatile than the returns on large-company stocks. 2) U.S. Treasury bills had a negative average real rate of return. 3) The inflation rate was more volatile than the return on long-term bonds. 4) Bonds had an average rate of return that exceeded the average return on stocks. hy View hint for Question 6 for Question 6