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Inventory information for tools of Alpha Co. discloses the following information for the month of May. 1st May Balance 800 units @ 20 2nd May Purchases 600 units @21 4th May Sales 400 units @33 5th May Purchases 600 units @22 9th May Sales 400 units @34 10th May Sales 400 units @32 IMPORTANT: Type the numbers without commas, nor spaces or brackets (for example type 30000 instead of 30,000, or -40000 instead of -40,000) a. Using Periodic inventory - LIFO compute - Ending Inventory Units Unit cost Total b. Using Periodic inventory - FIFO compute - Ending Inventory Units Unit cost Total c. Using Periodic inventory - LIFO - Cost of Goods Sold Units Unit cost Total MacBook Pro c. Using Periodic inventory - LIFO - Cost of Goods Sold Units Unit cost Total