1. On December 31, 2000, the S&P 500 index was 1.469.25. Twenty-one year later on December 31, 2021, the Index was 4766.18. Determine the Geometric Average rate of return on the index for these 21 years. 2. Using the information from #1 above determine the arithmetic average rate of return for these 21 years, a 8. Explain why there is a difference between the two returns in #'s 1 and 2 above