What was the average real return for Treasury bills for this time period? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.

Year	Returns
	U.S. Treasury Bills	Inflation
1	3.90%	1.24%
2	3.75	2.38
3	4.65	1.28
4	5.07	0.70
5	2.87	6.52
6	1.75	9.44
7	1.48	1.39

Average real return %??

Answer is not 6.9654% and not 8.06%