Compute the missing amounts for the income statement for each independent case. Case A Case B Case C Sales Revenue: A$800; B800; C ? Beginning Inventory: A100; B ?;C 90 Purchases: A500; B420; C? Total good available for sale: A?;B?;C? Ending Inventory: A150; B110; C160 Cost of Goods Sold: A?; B?; C340 Gross Margin: A?; B?; C? Expenses: A300; B400; C420 Net Income: A?; B(50); C60