Mar. 1 Sold merchandise for cash, $31, 600. The cost of the merchandise sold was $12, 640. 10 Sold merchandise on account, $259,000. The cost of the merchandise sold was $103, 600. 12 Sold merchandise to customers who used MasterCard and VISA, $153,000. The cost of the merchandise sold was $61, 200. 17 Sold merchandise to customers who used American Express, $73, 800. The cost of the merchandise sold was $29, 520. 31 Received and paid an invoice from National Clearing House Credit Co. for S8,000, representing a service fee paid for processing MasterCard, VISA, and American Express sales