A croquet mallet balances when suspended from its center of mass, as shown in the figure(above). If you cut the mallet in two at its center of mass, as shown, how do the masses of the two pieces compare?
[A] The masses are equal.
[B] The piece with the head of the mallet has the greater mass.
[C] The piece with the head of the mallet has the smaller mass.
[D] It is impossible to tell.