1. 1 2 3 4 5 6 7 5 items 3 items 4 items 2 items 10 items 0 items 6 items

2. New customer come and he want trolley 8

3. The employee select some of current customers

4. Customer 2 Customer 5 Customer 6

5. 1 2 3 4 5 6 7 Customer 2 owns 3 items Give another chance 5 items 3 items 4 items 2 items 10 items 0 items 6 items

6. 1 2 3 4 5 6 7 5 items 3 items 4 items 2 items 10 items 0 items 6 items

7. 1 2 3 4 5 6 7 Customer 5 owns 10 items Give another chance 5 items 3 items 4 items 2 items 10 items 0 items 6 items

8. 5 items 3 items 4 items 2 items 10 items 0 items 6 items 1 2 3 4 5 6 7

9. Customer 2 add 2 items 2

10. 5 items 5 items 4 items 2 items 10 items 0 items 6 items 1 2 3 4 5 6 7

11. 1 2 3 4 5 6 7 Customer 6 owns 0 item 5 items 5 items 4 items 2 items 10 items 0 items 6 items

12. 1 2 3 4 5 7 5 items 5 items 4 items 2 items 10 items 6 items

13. 1 2 3 4 5 7 5 items 5 items 4 items 2 items 10 items 6 items 8 2 items

14. New customer come and he want trolley 9

15. The employee select some of current customers

16. Customer 2 Customer 5 Customer 8

17. 1 2 3 4 5 7 5 items 5 items 4 items 2 items 10 items 6 items 8 2 items Customer 2 owns 5 items Give another chance

18. 1 2 3 4 5 7 5 items 5 items 4 items 2 items 10 items 6 items 8 2 items

19. 1 2 3 4 5 7 5 items 5 items 4 items 2 items 10 items 6 items 8 2 items Customer 5 owns 10 items But he doesn’t add some items after second chance

20. 1 2 3 4 7 5 items 5 items 4 items 2 items 6 items 8 2 items

21. 1 2 3 4 7 5 items 5 items 4 items 2 items 6 items 8 2 items 9 3 items