Grappa, Inc. reported the following information for 2017 and 2016: 2017 2016 Sales $951,200 $890,000 Sales discounts 12,000 23,000 Purchases 580,000 600,000 Inventory, December 31 46,000 40,000 Transportation-in 18,000 19,000 Purchase discounts 4,000 5,000 15. Refer to the information for Grappa, Inc. How much is net sales for 2017? What other components that Grappa did not report could be included in this computation?