Salmone Company reported the following purchases and sales of its only product. Salmone uses a perpetual inventory system. Determine the cost assigned to the ending inventory using FIFO. Date Activities Units Acquired at Cost Units Sold at Retail May 1 Beginning inventory 180 units @ $10 = $1,800 May 5 Purchase 250 units @ $12 = $3,000 May 10 Sales 170 units @ $20 May 15 Purchase 130 units @ $13 = $1,690 May 24 Sales 120 units @ $21