Consider the following table for a seven-year period:

	Returns
Year	U.S. Treasury Bills		Inflation
1	3.40	%	1.14	%
2	3.25		2.28
3	4.15		1.18
4	4.57		.60
5	2.37		6.42
6	1.25		9.34
7	.98		1.29

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