Explanation:

When a large number of articles are sent on a sale or return basis, it is necessary to maintain a Sale or Return Journal. This journal helps in keeping track of the sales made on a sale or return basis and also helps in recording any goods that are returned by the customer.

Reasons for maintaining a Sale or Return Journal:

1. Tracking Sales: A Sale or Return Journal helps in recording all the sales made on a sale or return basis. It provides a detailed record of the quantity and value of goods sold, along with the date of sale and customer details. This helps in tracking the sales made and analyzing the performance of the business.

2. Recording Returns: In case the customer returns any goods, the Sale or Return Journal helps in recording these returns. It provides a record of the quantity and value of goods returned, along with the date of return and customer details. This helps in identifying any patterns or issues with the goods that are being returned.

3. Calculation of Sales and Returns: By maintaining a Sale or Return Journal, it becomes easier to calculate the total sales made and the total returns received. This information is useful for financial reporting and analyzing the profitability of the business.

4. Reconciliation: The Sale or Return Journal can be used to reconcile the sales and returns with the customer's account. This helps in ensuring that all transactions are accurately recorded and any discrepancies are identified and resolved.

5. Decision Making: The information recorded in the Sale or Return Journal can be used for decision making purposes. It provides insights into the popularity of certain products, customer preferences, and overall sales performance. This information can help in making informed decisions regarding inventory management, pricing strategies, and customer relationship management.

Conclusion:

In conclusion, when a large number of articles are sent on a sale or return basis, it is necessary to maintain a Sale or Return Journal. This journal helps in tracking sales, recording returns, calculating sales and returns, reconciling transactions, and making informed decisions. It is an essential tool for effectively managing sales on a sale or return basis.