You find the following corporate bond quotes. To calculate the number of years until maturity, assume that it is currently January 15, 2019 and the bonds have a par value of $2,000. Company (Ticker) Coupon Xenon, Inc. (XIC) 6.200 Kenny Corp. (KCC) 7.200 Williams Co. (WICO) ?? Maturity Jan 15, 2031 Jan 15, 2028 Jan 15, 2034 Last Price 94.263 ?? 96.815 Last Yield ?? 6.18 6.43 EST $ Vol (000's) 57,370 48,949 43,810 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 %