You find the following Treasury bond quotes. To calculate the number of years until maturity, assume that it is currently May 2016. The bonds have a par value of $1,000.

Rate Maturity Mo/Yr Bid Asked Chg Ask Yld

?? May 18 103.5605 103.6487 +.3158 2.549

5.774 May 23 104.5095 104.6552 +.4425 ??

6.218 May 33 ?? ?? +.5548 4.251

In the above table, find the Treasury bond that matures in May 2018. What is the coupon rate for this bond? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

Coupon rate %