Answer:
a) Assets and expenses
Explanation:
Credit balance can be regarded as amount that is been owed by a business to a customer. This occur when the payment by the customer to the business exceed the current invoice stipulates. credit balances can be located or found at right side of a subsidiary ledger account, it can be found on right side of a general ledger account. credit balance that is contained on billing statement of the customers can be regarded as amount that card issuer is owing the customer.
It should be noted that one if account groups that is normally has a credit balance is Assets and expenses