The Accompanying Table Contains Hypothetical Data for an Economy

$$\begin{array} { | l | c | } \hline { \text { Item } } & \text { Billions of Dollars } \\\hline \text { Checkable Deposits } & \$ 2,000 \\\hline \text { Small Time Deposits } & 400 \\\hline \text { Currency Held by the Public } & 80 \\\hline \text { Savings Deposits, Including Money-Market Deposit Accounts } & 1,300 \\\hline \text { Money-Market Mutual Funds Held by Individuals } & 600 \\\hline \text { Money-Market Mutual Funds Held by Businesses } & 700 \\\hline\end{array}$$ The accompanying table contains hypothetical data for an economy. The size of the M2 money supply is

A) $4,380 billion.
B) $1,300 billion.
C) $3,780 billion.
D) $3,080 billion.