Salmone Company reported the following purchases and sales of its only product. Salmone uses a perpetual inventory system. Determine the cost assigned to ending inventory using LIFO. Date Activities Units Acquired at Cost Units Sold at Retail May 1 Beginning Inventory 150 units @ $10.00 5 Purchase 220 units @ $12.00 10 Sales 140 units @ $20.00 15 Purchase 100 units @ $13.00 24 Sales 90 units @ $21.00