The quantity of money will fall.
According to the quantity theory of money, the overall price level of goods and services in an economy is proportional to the money supply, assuming that the level of actual output is constant and velocity of the money is constant.
The same dynamics that drive the supply and demand of any product also influence the supply and demand of money: an increase in money supply, in general, reduces the marginal value of money, reducing the purchasing power of one unit of currency.
Therefore, the correct option is the quantity of money will fall.
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