Answer:
2020:
Sales revenue = Net Sales + Sales returns
= 345,615 + 13,790
= $359,405
Freight-In = Cost of goods sold - Beginning inventory - Purchases + Purchase returns + Ending inventory
= 252,735 - 34,400 - 260,690 + 43,065 + 7,410
= $8,120
2021:
Beginning inventory = Ending inventory 2020 = $43,065
Gross Profit on sales = Net sales - Cost of goods sold
= 396,103 - 292,523
= $103,580