(b)LIFO Periodic) Cost per Total Units Unit Beginning Inventory Purchases July 13 Goods Available for Sale Cost of Goods Sold Total Cost of Goods Sold Ending Inventory FO (Periodic) Sales Cost of Goods Sold Gross Profit (c) Weighted Average Cost eighted Average (Periodic) Units Cost per Unit Beginning Inventory Purchases Goods Available for Sale Cost of Goods Sold Ending Inventory eighted Average (Periodic) Sales Cost of Goods Sold Gross Profit