Two or more items are omitted in each of the following tabulations of income statement data. Fill in the amounts that are missing. 2019 2020 2021 Sales revenue $291,720 $ $406,940 Sales returns and allowances (11,810) (12,120) Net sales 349,189 Beginning inventory 19,560 30,270 Ending inventory Purchases 258,540 296,630 Purchase returns and allowances Freight-in Cost of goods sold Gross profit on sales (4,560) 7,200 (233,850) (7,710) 9,660 (9,040) 12,630 (294,728) 46,060 90,160 91,140