PROBLEM 3 A company made the following merchandise purchases and sales during the month of May: May 1 May 5 May 10 May 20 May 25 purchased purchased Sold Purchased Sold 380 units at 270 units at 400 units at 300 units at 400 units at $15 each $17 each $50 each $22 each $50 each There was no beginning inventory. If the company uses the FIFO, LIFO, weighted average periodic inventory methods, what would be the cost of the ending inventory and the COGS