Bonita industries purchased $$13,800$ of merchandise on February $1,2025,$ subject to a trade discount of $10\%$ and with credit terms of $3/15,$ n$/60.$ It returned $$1,800($gross price before trade or cash discount$)$ ion February $4.$ The invoice was paid on February $13.$ At what amount would the purchase on February $1$ be recorded if the net method were used.