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) 6.200 Kenny Corp. (KCC) 7.200 Williams Co. (WICO) ?? Last Price 94.263 Maturity Jan 15, 2031 Jan 15, 2028 Jan 15, 2034 Last Yield ?? 6.18 6.43 EST $ Vol (000's) 57,370 48.949 43,810 96.815 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 %