To calculate the number of years until maturity, assume that it is currently January 15, 2019. All of the bonds have a $2,000 par value and pay semiannual coupons. Company (Ticker) Coupon Xenon, Inc. (XIC) 5.400 Kenny Corp. (KCC) 7.125 Williams Co. (WICO) ?? Maturity Jan 15, 2024 Jan 15, 2026 Jan 15, 2028 Last Price 96.153 ?? 95.165 Last Yield ?? 6.02 6.85 EST $ Vol (000's) 57,362 48,941 43,802 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.)