10 pts Lemon company purchased 500 units for $20 each on January 31. It purchased 550 units for $22 each on February 28. It sold a total of 660 units for $40 each from March 1 through December 31. What is the cost of ending inventory on December 31 if the company uses the first-infirst-out (EIF) inventory costing method? (Assume that the company uses a perpetual inventory system.) 034920 $8580 $7800 $2880