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 $291,470 $ $412,630 Sales returns and allowances (12,020) (13,730) Net sales 349,128 20,170 31,790 Beginning inventory Ending inventory Purchases 261,480 296,50 (5,380) 7,360 (7.610) 8,490 (10,470 12,070 Purchase returns and allowances Freight-in Cost of goods sold Gross profit on sales (235,420) 44,030 (292,689 98,336 91.650