The following transactions were selected from among those completed by Cadence Retailers in 2013: Nov. 20 Sold 20 items of merchandise to Customer B at an invoice price of $5,700 (total); terms 4/10, n/30. 25 Sold two items of merchandise to Customer C, who charged the $500 sales price on her Visa credit card. Visa charges Cadence Retailers a 2 percent credit card fee. 28 Sold 10 identical items of merchandise to Customer D at an invoice price of $10,000 (total); terms 4/10, n/30. 29 Customer D returned one of the items purchased on the 28th; the item was defective, and credit was given to the customer. Dec. 6 Customer D paid the account balance in full. 20 Customer B paid in full for the invoice of November 20, 2013. Net sales = ?? show work