Clifford Clark is a recent retiree who is interested in investing some of his savings in corporate bonds. His financial planner has suggested the following bonds: Bond A has a 7% annual coupon, matures in 12 years and has a par value of $1000. Bond B has a 9% annual coupon, matures in 12 years and has a par value of $1000. Bond C has an 11% annual coupon, matures in 12 years and has a par value of $1000. Each bond has a yield to mature of 9% Without calculating prices, which bond is trading at a discount