Question 10 10 pts Surplus, Inc. uses a periodic inventory system and the had the following activity for 2007: Purchases Sales Balance January 1, 2007 110 units at $50 or $5.500 2/10/07 purchase 80 units at $60 or $4,800 4/14/07 sale 60 units 5/9/07 purchase 120 units at $70 or $8,400 7/14/07 sale 120 units 10/21/07 purchase 100 units at $80 or $8,000 11/12/07 sale 80 units Calculate the ending inventory and cost of goods sold using the LIFO and FIFO methods. HTML Editora U A I X X : C TT: 12pt Paragraph