A company made the following merchandise purchases and sales during the month of May: May 1 Purchased 380 units at $15 each May 5 Purchased 270 units at $17 each May 10 Sold 400 units at $50 each May 20 Purchased 300 units at $22 each May 25 Sold 400 units at $50 each There was no beginning inventory. If the company uses the weighted average periodic method, what would be the cost of the ending inventory?