e 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 54 270 (100) $10 12 $16 July 31 Ending Inventory 224 Calculate cost of goods available for sale and ending inventory, then sales, cost of goods sold, and gross profit, under (a) FIFO, (b) LIFO, and (c) weighted average cost. Assume a periodic inventory system is used. (Round "Cost per Unit" to 2 decimal places and your final answers to nearest whole dollar amount.) (a) FIFO Periodic) Cost per Unit Units Total Beginning Inventory Purchases July 13 Goods Available for Sale Cost of Goods Sold Total Cost of Goods Sold Ending Inventory FIFO (Periodic) Sales Cost of Goods Sold Gross Profit