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 21	103.5566	103.6448	+.3119	2.489
5.624	May 26	104.5056	104.6513	+.4389	??
6.203	May 36	??	??	+.5509	4.191

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.) Coupon rate %