A company made the following merchandise purchases and sales during the month of May: May 1 purchased 380 units at S15 each May 5 purchased 270 unitst S17 cach May 10 sold May 20 purchased 300 units at S22 cach May 25 sold 400 units at S50 each 400 units at S50 each There was no beginning inventory. If the company uses the weighted average inventory valuation method and the perpetual inventory system, what would be the cost of its ending inventory