please answer Q 7 to 11

Chapter 6 Worksheet Use the chart below to answer questions 1 through 9 for Piper Corp. Beginning Inventory Purchase on June 2nd Purchase on June 20th Sales Units 20 10 20 42 Unit Cost S 110 S 120 S 140 Total Cost S 2.200 $ 1,200 S 2,800 7. Use the LIFO method to find the ending inventory 8. Which inventory method will give the highest gross profit based on the information above? Additionally, using this method what is gross profit if each unit sells for $200? Grieser-Spring 2020 9. Record the joumal entries Piper Corp would make using the LIFO inventory method to record the sales. Use the sales dollar value from question 8. Label each account with the proper classification (A,L, SE , Rev, Exp) and note whether each account is increasing or decreasing. 10. Winter Corporation had beginning inventory of S40,000, sales of $200,000. purchases of $100,000 and ending inventory of $30,000. What is Winter Corps cost of goods sold? 11. Use the information in the previous problem to find the gross profit percentage for Winter Corporation