1. Calculate the expected return for each asset class on the Data tab by creating an index and showing the long-term compound rate
2. Why might long term compound returns be better than average annual returns

Date	US Large Cap	US Mid Cap	US Small Cap	US Small Growth	International	Emerging Markets	5-Year Gov Bonds	T-Bills
1927	37.5%	34.0%	28.5%	32.1%	12.6%	27.8%	4.5%	3.1%
1928	43.6%	40.1%	31.8%	41.6%	9.1%	1.1%	0.9%	3.6%
1929	-8.4%	-26.4%	-38.9%	-45.2%	-11.0%	-9.1%	6.0%	4.7%
1930	-24.9%	-36.3%	-39.3%	-37.1%	-22.9%	-9.0%	6.7%	2.4%
1931	-43.3%	-46.5%	-50.3%	-43.5%	-38.1%	-16.6%	-2.3%	1.1%
1932	-8.2%	-6.5%	-3.6%	-8.8%	4.0%	-3.9%	8.8%	1.0%
1933	54.0%	102.7%	115.5%	149.4%	74.6%	80.2%	1.8%	0.3%
1934	-1.4%	10.8%	21.6%	38.1%	7.2%	22.7%	9.0%	0.2%
1935	47.7%	41.7%	58.5%	41.0%	4.7%	10.1%	7.0%	0.2%
1936	33.9%	35.5%	53.2%	32.5%	10.5%	16.7%	3.1%	0.2%
1937	-35.0%	-42.1%	-48.4%	-49.3%	-9.4%	-4.9%	1.6%	0.3%