Consider what you have learned about valuing bonds.

A: Coupon rate $=5\%,$ YTM $=6\mathrm{.}33\%$

B: Coupon rate $=5\%,$ YTM $=4\mathrm{.}75\%$

C: Coupon rate $=5\%,$ YTM $=5\%$

D: Coupon rate $=5\%,$ YTM $=3\mathrm{.}8\%$

Which of the bonds is selling at a discount?