Beth withdraws S500 in currency from her checking account at a bank. This withdrawal is treated as a subtraction of $500 from the money supply because the bank released $500 in currency and the checking account has been decreased by $500. an addition of $500 to the money supply because the $500 in currency is now in circulation. a subtraction of $500 from the money supply because of the destruction of a checkable deposit of $500. a subtraction of $500 from the money supply because the bank released $500 in currency and the checking account has been decreased by $500. an addition of $500 to the money supply because the $500 in currency is now in circulation. a subtraction of $500 from the money supply because of the destruction of a checkable deposit of $500. no change in the money supply because the $500 in currency has been converted to a $500 decrease in checkable deposits