show all work 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 eaach May 20 purchased 300 units at $22 each May 24 sold 400 units at $ 50 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