Brazen shoe company records sales returns and allowances, sales discounts, and credit card discounts as contra-revenues. july 12 sold merchandise to customer at factory store who charged the $700 purchase on her american express card. american express charges a 1 percent credit card fee. cost of goods sold was $575. july 15 sold merchandise to customer t at an invoice price of $4,500; terms 1/10, n/30. cost of goods sold was $2,250. july 20 collected cash due from customer t. july 21 before paying for the order, a customer returned shoes with an invoice price of $1,300, and cost of goods sold was $780.