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.