Many students at Montclair State University do not carry any cash in their wallets. But they do have a debit card. When Lauren, a student in Mr. Federman's Macro class, buys lunch at the student union cafeteria and uses her debit card, she was wondering what happened to the money supply... A. A debit card is the same a money. When she used the debit card, money in her account got transferred to MSU's checking account. The money supply is unchanged. B. Because she used a debit card she did not use money C. A debit card is the same as money. When the money came out if her account, money was destroyed and the money supply got smaller. D. A debit card is the same as money, When the money was transferred to MSU's bank, money was created and the money supply got bigger