Table: Monetary Aggregates $($in billions$)$

Currency in circulation

$ $100$

Checkable deposits

$ $300$

Travelers checks

$ $50$

Savings deposits

$ $75$

Small$-$denomination time deposit

$ $700$

Money Market Mutual Funds $($individuals$)$

$ $500$

Large denomination time deposits

$ $200$

$($Table: Monetary Aggregates$)$ Refer to the information in the table above. The money supply measures by M$2$ is: