Which of the Following Is Included as Part of the M1

Multiple Choice

Which of the following is included as part of the M1 money supply?

A) $200,000 balance in the checking account of Main Street Trading Corp.
B) $200,000 in reserves held by Main Street Commercial Bank in its vaults
C) $2 million balance in the checking account of the U.S. Treasury
D) $200 million in the vaults of the Federal Reserve Banks