Lauer Corporation uses the periodic inventory system and has provided the following information about one of its laptop computers: Date Transaction 1/1 Beginning Inventory 5/5 Purchase 8/10 Purchase 10/15 Purchase Number of Units Cost per Unit 100 $ 800 200 $ 900 300 $ 1,000 200 $ 1,050 During the year, Lauer sold 750 laptop computers. What was ending inventory using the LIFO cost flow assumption? $52,000. $40,000. $52,500. $60,000.