Lauer Corporation uses the periodic inventory system and has provided the following information about one of its laptop computers: Date Transaction Number of Units Cost per Unit 1/1 100 $ 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 cost of goods sold using the LIFO cost flow assumption