Supply the missing amounts

Account Sales Revenue Sales returns & allowances Net Sales Revenue Beginning inventory Purchases Transportation-in Purchase returns Goods available for sale Ending inventory Cost of goods sold Gross (profit) margin Expenses Pretax profit Case A 2,000 30,000 120,000 1,000 28,000 115,000 30,000 50,000 90,000 3,000 40,000 2,000 8,000 10,000 60,000 20,000 Case B