Tony Deposits $2,000 in Cash at the Last National Bank

Tony deposits $2,000 in cash at the Last National Bank and the bank credits Tony's checking account in the amount of $2,000. Which of the following is true immediately after this transaction?

A) The money supply, M1, increases by $2,000.
B) Only the composition of M1 changes, not its amount.
C) A $2,000 loan from the Last National Bank is an asset to Tony.
D) Both the assets and the liabilities of the Last National Bank fall by $2,000.
E) The immediate effect of this transaction is that M1 increases by $2,000 times the money multiplier.