Ponzi Corporation has bonds on the market with 14.5 years to maturity, a YTM of 9.51 percent, and a current price of $870.08. The bonds make semiannual payments.

What must the coupon rate be on these bonds?

(Enter your answer as a percentage, omit the "%" sign in your response, and enter your answer with two decimal places. For example, 1.214% should be entered as 1.21.)