A company uses the periodic inventory system and the gross method of accounting for sales. The company had the following transactions.

August $2$ Sold merchandise to a customer, on credit for $$6,600,$ terms $\frac{2}{15},\frac{n}{60}.$ The items sold had a cost of $$2,100.$ August $4$ The customer returned merchandise that had a selling price of $$1,200.$ The cost of the merchandise returned was $$1,010.$

August $16$ Received payment for the merchandise sold on August $2,$ less any discounts.

Prepare journal entries to record these transactions.