Gaston lives in France.He paid 885.56 for a one-year French treasury bond at the beginning of 2016.When the bond is due at the beginning of 2017, he received 1,000 from the treasury department. The CPI in France was 105.1 at the beginning of 2016 and 112.7 at the beginning of 2017.

What was Gaston's real interest rate (in %) for investing in the one-year French treasury bond? Round your answer to at least 2 decimal places. (E.g. 12.3456% should be entered as 12.35)