XYZ company issued callable bonds three years ago with a $7\%$ coupon rate. Today, the market rate of interest was lowered to $4\%.$ What most likely will happen next?

Select one:

A$.$ XYZ company will lower the par value of their bonds.

B$.$ XYZ company will call their bonds in$.$

C$.$ XYZ company will raise the coupon rate of their bonds.

D$.$ None of the above is correct.