5 of 15 Which of the following bond prices is most sensitive to market rate changes? The par value is $1,000 for all. O a. 6 years, 4.5% coupon rate, 3% YTM Ob. 10 years, 4.5% coupon rate, 299% YTM OC 6 years, 5.5% coupon rate, 4% YTM Od 10 years, 5.5% coupon rate, 3% YTM O e. 10 years, zero coupon bond, 2 99% YTM unsure Fini