Bond A has a 5% annual coupon, matures in 3 years and has a $1,000 face value. Bond B has a 6% annual coupon, matures in 3 years and has a $1,000 face value. Bond C has a 7% annual coupon, matures in 3 years and has a $1,000 face value. Calculate the price of each of the three bonds and indicate whether each bond is trading at a premium, at a discount or at par if the prevailing interest rate is 6%.