Which of the Following Bonds Is Trading at a Premium

Which of the following bonds is trading at a premium?

A) a 2-year bond with a $50 000 face value whose yield to maturity is 5.2% and coupon rate is 5.2% APR paid monthly
B) a 10-year bond with a $4 000 face value whose yield to maturity is 6.0% and coupon rate is 5.9% APR paid semi-annually
C) a 5-year bond with a $2 000 face value whose yield to maturity is 7.0% and coupon rate is 7.2% APR paid semi-annually
D) a 15-year bond with a $10 000 face value whose yield to maturity is 8.0% and coupon rate is 7.8% APR paid semi-annually