Griffin Shoe Company records Soles 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 Tat an invoice price of 54,400; terms 2/10, 1/30. Cost of goods sold was $2,200. July 20 Collected cash due fron Customer to July 21 Before paying for the order, customer returned shoes with an invoice price of $1,100; cost of goods sold was 1660 Complete the following table by entering the amounts of the effects of each transaction, including the related cost of goods sold. (Indicate decreases with a minus sign.) 47 Transaction Net Sales Cost of Goods Sold Gross Pront July 12 July 15 July 20 July 21