Bailey Company's inventory records contain the following information:   

Beginning Inventory = 300 units purchased for a total cost of $780

Purchase on May 10 = 400 units purchased for a total cost of $1,170

Purchase on June 15 = 500 units purchased for a total cost of $1,260

Purchase on August 28 = 300 units purchased for a total cost of $990

The company sold 1,000 units during the year.

The company had 500 units in its ending inventory at the end of the year.

If Bailey Company uses the weighted average inventory costing method, what is the cost of its ending inventory?