Joe Deposits $200 in Currency into His Checking Account at a Bank

Joe deposits $200 in currency into his checking account at a bank. This deposit is treated as:

A) A subtraction of $200 from the money supply because the $200 in currency is no longer in circulation
B) An addition of $200 to the money supply because of the creation of a checkable deposit of $200
C) An addition of $200 to the money supply because the bank holds $200 in currency and the checking account has been increased by $200
D) No change in the money supply because the $200 in currency has been converted to a $200 increase in checkable deposits