The following are the transactions for the month of July.

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.)

Unit Units Unit Cost Selling Price July 1 Beginning Inventory July 13 Purchase July 25 Sold 45 225 (100) $10 13 $15 July 31 Ending Inventory 170