TreeTop Inc. bonds was issued on Oct 15th, 2010. The bonds have a coupon rate of 6.2%, with interest paid annually. The par value of the bonds is $1,000 and the maturity is Oct 15th, 2042. If the market price of one contract of TreeTop bond on Oct 15th, 2020 is $1,105, what is the annual interest rate to be earned by an investor who bought it on Oct 15th, 2020 at the said market price and plan to hold on to the bond till maturity? Round to the 0.01%, i.e., two decimal places. Enter your answer in the form of a percentage. For example, if your answer is "12.34%", enter "12.34