QUESTION 14 Which of the following bonds has the longest duration? O A coupon bond with 15% coupon rate, 4 years of maturity, $1000 par value and 9.5% YTM. O A coupon bond with 12% coupon rate, 4 years of maturity, $1000 par value and 8.5% YTM. O A coupon bond with 8% coupon rate, 3 years of maturity, $1000 par value and 9.5% YTM O Zero-coupon bond with 4 years of maturity and selling for $745.45 and par value of $1000. O A coupon bond with 10% coupon rate, 3 years of maturity, S1000 par value and 11.5% YTM