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 20	103.5579	103.6461	+.3132	2.509
5.674	May 25	104.5069	104.6526	+.4401	??
6.208	May 35	??	??	+.5522	4.211

In the above table, find the Treasury bond that matures in May 2020. 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 %