Morgenstern Ltd. has the following units and costs for the month of April. Beginning inventory, April 1, 1,000 units at $20 (Cost) Purchase 1, April 9, 1,200 units at $23 (cost) Sold, April 12, 2,100 units at $40 (Retail) Purchase 2, April 22, 800 units at $25 (Cost) If Morgenstern uses a perpetual inventory system, what is the cost of ending inventory under FIFO at April 30? $18,000 $22,300 $45,300 $49,600