Salmone Company reported the following purchases and sales of its only product. Salmone uses a periodic inventory system. Determine the cost assigned to the ending inventory using FIFO. Date Activities May 1 Beginning inventory May 5 Purchase May 10 Sales May 15 Purchase May 24, Sales Multiple Choice Units Acquired at Cost 186 units @ $10 = $1,860 256 units @ $12 = $3,072 Units Sold at Retail 176 units @ $20 136 units @$13 - $1,768 126 units @ $21