A cоmpаny uses the perpetuаl inventоry system аnd the grоss method of accounting for sales and had the following sales transactions during June: June 2 Sold merchandise to a customer on credit for $7,000, terms 1/15, n/60. The items sold had a cost of $3,800. June 4 The customer from June 2 returned merchandise that had a selling price of $300. The cost of the merchandise returned was $220. June 15 The customer paid for the merchandise sold on June 2 less the return, and taking any available discount. Prepare journal entries to record these transactions.