You find the following corporate bond quotes. To calculate the number of years until maturity, assume that it is currently January 15, 2016. The bonds have a par value of $2,000.

Company (Ticker)	Coupon	Maturity	Last Price	Last Yield	EST $ Vol (000s)
Xenon, Inc. (XIC)	7.000	Jan 15, 2036	94.343	??	57,378
Kenny Corp. (KCC)	7.280	Jan 15, 2033	??	6.34	48,957
Williams Co. (WICO)	??	Jan 15, 2039	96.895	6.59	43,818

What is the coupon rate for the Williams Co. bond? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Coupon rate