An investor looks at today's yield to maturities in the Wall Street Journal for debt with 10 year maturities. He observes the following: Rating AAA AA A BBB BB YTM 4.45% 4.60% 4.75% 4.95% 5.15% Exxon Mobil (XON) has debt that is AAA rated. Suppose an investor wants to value Exxon bonds that will mature in 10-years. He sees one Exxon bond that pays a 8.50% annual coupon with face value of $1,000. What should the bond trade for today?