Stockholders' equity is reduced by the cost of acquiring the treasury stock: $2000$ shares $$$$12=$$$24000,$ not $$10000,$ $$0,$ or $$14000.$

If $2000$ shares of $$5$ par common stock are reacquired by a corporation for $$12$ a share, by how much will total stockholders equity be reduced?

$$0$

$$10000$

$$24000$

$$14000$