Total gross sales for the period include the following: Credit card sales (discount 4%) $9,800 Sales on account (3/15, n/60) $10,600 Sales returns related to sales on account were $550. All returns were made before payment. One-half of the remaining sales on account were paid within the discount period. The company treats all discounts and returns as contra-revenues. What amount will be reported on the income statement as net sales