You find the following Treasury bond quotes. To calculate the number of years until maturity, assume that it is currently May 2019 and the bond has a par value of $1,000.

Rate	Maturity Mo/Yr	Bid	Asked	Chg	Ask Yld
??	May 21	103.5605	103.6487	+.3158	2.549
5.774	May 26	104.5095	104.6552	+.4425	??
6.218	May 36	??	??	+.5548	4.251

In the above table, find the Treasury bond that matures in May 2021. 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.)