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 Last Last EST $ Vol (Ticker) Coupon Maturity Price Yield (000's) Xenon, Inc. (XIC) 5.600 Jan 15, 2025 94.203 ?? 57,364 Kenny Corp. (KCC) 7140 Jan 15, 2022 ?? 6.06 48,943 Williams Co. (WICO) ?? Jan 15, 2028 96.755 6.31 43,804 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 %