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) 5.900 Kenny Corp. (KCC) 7.170 Williams Co. (WICO) ?? Maturity Jan 15, 2028 Jan 15, 2025 Jan 15, 2031 Last Price 94.233 ?? 96.785 Last Yield ?? 6.12 6.37 EST $ Vol (000's) 57,367 48,946 43,807 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 %