Consider a $2 Billion Open Market Purchase of U

Consider a $2 billion open market purchase of U.S. Treasury securities by the Federal Reserve. The Banking System's balance sheet will specifically show:

A) only an increase in liabilities of $2 billion.
B) only a decrease in assets of $2 billion.
C) no net change in assets or liabilities, only a change in the composition of assets with securities decreasing and reserves increasing by $2 billion respectively.
D) no net change in assets or liabilities, only a change in the composition of assets with securities increasing and reserves decreasing by $2 billion respectively.