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) 7.100 Kenny Corp. (KCC) 7.290 Williams Co. (WICO) ?? Maturity Jan 15, 2040 Jan 15, 2037 Jan 15, 2043 Last Price 94.353 ?? 96.905 Last Yield ?? 6.36 6.61 EST $ Vol (000's) 57,379 48,958 43,819 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 %