Which of the Following Transactions Could Not Result in a Credit

Multiple Choice

Which of the following transactions could not result in a credit balance in a debtor's account?

A) Receive a deposit from a debtor for goods ordered.
B) Customer returns a faulty product after they have paid the account in full.
C) Customer pays their account after the debt had been written off as a bad debt.
D) Goods are sold on credit with payment due in the next accounting period.