Correct Option: A. A credit note Detailed Explanation: When Bola, a customer of UTC, sends a cheque for N1,500 to settle his account of N1,000, he is effectively overpaying by N500. In accounting, when a customer pays more than what they owe, the business needs to acknowledge this overpayment. The appropriate document to issue in this scenario is a credit note. What is a Credit Note? A credit note is a document issued by a seller to a buyer, indicating that a certain amount has been credited to the buyer's account. This can occur for various reasons, such as overpayment, returns, or discounts. In this case, since Bola has overpaid, UTC will issue a credit note for the excess amount of N500. Why is A the Correct Answer?

1. Overpayment Acknowledgment: The credit note serves to acknowledge that Bola has paid more than his outstanding balance. It formally records the transaction and ensures that both parties have a clear understanding of the financial adjustment.
2. Account Adjustment: The credit note will adjust Bola's account balance, reflecting that he now has a credit of N500 with UTC, which he can use for future purchases or request a refund.
3. Documentation: Issuing a credit note provides proper documentation for both UTC and Bola, which is essential for accurate accounting and record-keeping.

Why the Other Options are Incorrect: B. A debit note - A debit note is used by a buyer to formally request a credit for goods returned or to adjust an invoice. In this scenario, Bola is not returning goods or disputing an invoice; he is simply overpaying. Therefore, a debit note is not applicable. C. A journal voucher - A journal voucher is an internal document used to record transactions in the accounting system. It is not typically issued to customers. In this case, UTC needs to communicate with Bola about the overpayment, which a credit note does effectively. A journal voucher does not serve this purpose. D. A way bill - A way bill is a document that accompanies goods in transit, detailing the shipment and its destination. It is not relevant to the transaction at hand, as there is no shipment involved in the payment of the account. Thus, a way bill does not apply to the situation of overpayment. Example Calculation:

• Outstanding Amount: N1,000
• Amount Paid by Bola: N1,500
• Credit Note Issued: N1,500 (amount paid) - N1,000 (amount owed) = N500 (credit note for overpayment)

Common Pitfalls:

• Confusing a credit note with a debit note: Remember that a credit note is issued for overpayments or returns, while a debit note is used to request a credit.
• Not documenting overpayments properly: Always ensure that overpayments are documented with a credit note to maintain accurate records.

Revision Summary:

• A credit note is issued for overpayments, acknowledging the excess amount paid by the customer.
• It adjusts the customer's account balance and provides formal documentation of the transaction.
• Debit notes and journal vouchers serve different purposes and are not applicable in this scenario.
• Always ensure proper documentation for financial transactions to maintain accurate accounting records.