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 $291,870 $ 362,494 $409,910 Sales returns and allowances (11,800) (13,790) Net sales 280,070 348,704 Beginning inventory 18,010 30,810 Ending inventory 30,810 12,006 Purchases 242,180 260,010 299,009 Purchase returns and allowances (4,600) (7,490) (9,160) Freight-in 8,780 8,800 11,060 Cost of goods sold (233,560) 280,124 (294,252) Gross profit on sales 46,510 82,370 88,080