You find the following corporate bond quotes. To calculate the number of years until maturity, assume that it is currently January 15, 2019. The bonds have a par value of $2,000 and semiannual coupons. Company (Ticker) Coupon Xenon, Inc. (XIC) 6.600 Kenny Corp. (KCC) 7.240 Williams Co. (WICO) ?? Maturity Jan 15, 2035 Jan 15, 2032 Jan 15, 2038 Last Price 94.303 ?? 96.855 Last Yield ?? 6.26 6.51 EST $ Vol (000's) 57,374 48,953 43,814 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 %