Please double-check my answer on the following problem, thank you.

Chapter 11 Questions 13) Rank the interest rate sensitivity of the following pairs of bonds: Bond A has a 6% coupon, a 20-year maturity and is selling at par. Bond B has a 6% coupon, a a. 20-year maturity and is selling below par In this case, Bond A has a higher interest rate sensitivity as the only different factor it has a compared to Bond B is that it is selling at par and has not factored in any change C in par value as of yet b. Bond A is a 20-year non-callable coupon bond with a coupon rate of 6% and is selling at par. Bond B is a 20-year callable bond with a 7% coupon rate and is also selling at par. In this case Bond A has a higher interest rate sensitivity due to its lower coupon rate