P $6\mathrm{.}23$ Consider the following bonds:

Bond Coupon Rate $($annual payments$)$ Maturity $($yr$.$s$)$

A $0\%15$

B $0\%10$

C $4\%15$

D $8\%10$

What is the percentage change in the price of each bond if its yield to maturity falls from $6\%$ to $5\%?$