Two or more items are omitted in each of the following tabulations of income statement data. Fill in the amounts that are missing. 2018 2019 2020 $ 366000 Sales $300,000 $418,000 Sales returns 5,700 12.000 Net sales 294300 354,000 Beginning inventory 20,000 32,200 Ending inventory Purchases 264,000 327,000 Purchase returns and allowances 5,500 8,300 10,100 Transportation in 8.900 10,000 12,200 Cost of goods sold 237,000 300,000 Gross profit on sales 57,300 92,100 97,200