Lauer Corporation uses the periodicinventory system and has provided the following information about one of its laptop computers: Date Transaction Number of Units Cost per Unit 1/1 Beginning Inventory 100 $800 5/5 Purchase 200 $900 8/10 Purchase 300 $1,000 10/15 Purchase 200 $1,100 During the year, Lauer sold 750 laptop computers. What was ending inventory using the LIFO method? Select one: a. 40,000 b. 55,000 c. 45,000 d. 60,000 MacBook Air