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	Maturity	Last Price	Last Yield	EST $ Vol (000s)
Xenon, Inc. (XIC)	6.90	Jan 15, 2040	94.363	??	57,377
Kenny Corp. (KCC)	7.27	Jan 15, 2037	??	6.32	48,956
Williams Co. (WICO)	??	Jan 15, 2044	94.885	7.14	43,817

What is the yield to maturity for the bond issued by Xenon, Inc.? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)