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) 7.200 Kenny Corp. (KCC) 7.300 Williams Co. (WICO) ?? Maturity Jan 15, 2041 Jan 15, 2038 Jan 15, 2044 Last Price 94.363 ?? 96.915 Last Yield ?? 6.38 6.63 EST $ Vol (000's) 57,380 48,959 43,820 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 %