Inventory information of super company for the month of July 2011 is as follows: July 1st Balance 500 units @ $12 July 10th Sold 400 units @ $20 July 11th Purchased 600 units @ $10 July 15th Sold 400 units @ $24 July 20th Purchased 800 units @ $14 July 25th Sold 400 units @ $23 Assuming that the Periodic inventory method is used , compute the cost of goods sold and the ending inventory under FIFO method