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. EST $ Vol (000's) 57,377 48,956 43,817 Company Ticker) Last Price 94.333 Last Yield Xenon, Inc. (XIC) Kenny Corp. (KCC) Williams Co. (WICO) Coupon 6.900 7.270 Maturity Jan 15, 2035 Jan 15, 2032 Jan 15, 2038 6.32 6.57 96.885 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