A patient's ledger shows a list of dates, services provided, charges, and payments made. After posting a recent payment, the medical assistant notices that the total amount of payments exceeds the total charges for services rendered. In accounting terms, what does this situation indicate about the patient's account?
The account has a credit balance.
The account is now part of accounts receivable.
The account is now part of accounts payable.
The account has a debit balance.