This window shows what is correct and incorrect for the work you have completed so far. Even if all of the work you have done so far is correct, you may not have completed everything. 3. value: 16.70 points Consider the following table for a seven-year period: Year OWN Returns U.S. Treasury Bills 3.90% 3.75 4.65 5.07 2.87 1.75 1.48 Inflation -1.24% -2.38 -1.28 .70 -6.52 -9.44 -1.39 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 7.83 %