A company reports the following information regarding its inventory. Beginning inventory: cost is $80,000; retail is $130,000 Net purchases: cost is $65,000; retail is $120,000 Sales at retail: $145,000 The year-end inventory shows $135,000 worth of merchandise available at retail prices. What is the cost of the ending inventory calculated using the retail inventory method? $135,000. $73,125. $78,300. $72,900. $105,000.