PLEASE HELP ASAP

Our company uses a perpetual inventory system. On July 3 , we sold merchandise with a cost of $3,300 for $6,600 to a customer on account. The terms of the sale were 2/10,n/30. What account and amount would we credit to record the cost of goods sold for this transaction? sales revenue, $6,600 accounts receivable, $6,600 cost of goods sold, $3,300 merchandise inventory, $3,300