You Are a Shareholder in a "C" Corporation

You are a shareholder in a "C" corporation.This corporation earns $4 per share before taxes.After it has paid taxes,it will distribute the remainder of its earnings to you as a dividend.The dividend is income to you,so you will then pay taxes on these earnings.The corporate tax rate is 21% and your tax rate on dividend income is 15%.The effective tax rate on your share of the corporation's earnings is closest to:

A) 15%.
B) 33%.
C) 45%.
D) 50%.