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 23	103.5527	103.6409	+.3080	2.429
5.474	May 28	104.5017	104.6474	+.4353	??
6.188	May 38	??	??	+.5470	4.131

In the above table, find the Treasury bond that matures in May 2023. 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