The following are the transactions for the month of July Unit Units Unit Cost Selling Price July 1 Beginning Inventory July 13 Purchase July 25 Sold 50 250 $10 13 (100) $15 July 31 Ending Inventory 200 profit, under (a) FIFO. (b) LIFO, and (c) weighted average cost. Assume a periodic inventory system is Calculate cost of goods available for sale and ending inventory, then sales, cost of goods sold, and gro used. (Round "Cost per Unit" to 2 decimal places.) (a)FIFO FIFQ(Periodic) Cost per Total Unit Beginning Inventory Purchases July 13 Goods Available for Sale Cost of Goods Sold Total Cost of Goods Sold Ending Inventory Sales Cost of Goods Sold Gross Profit (b)LIFO