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) Last Last EST $ Vol Coupon Xenon, Inc. (XIC) 5.400 Maturity Jan 15, 2024 Price Yield (000's) 96.153 ?? 57,362 Kenny Corp. (KCC) Williams Co. (WICO) 7.125 ?? Jan 15, 2026 ?? 6.02 48,941 Jan 15, 2028 95.165 6.85 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.) Coupon rate +%