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. Activities Units Acquired at Cost 350 units $20 320 units $22 Date Units Sold at Retail May1 Beginning Inventory 5 Purchase 10 Sales 15 Purchase 24 Sales 240 units $30 200 units $23 190 units $31