Spreadsheet: 36108d1233864316-comparing-two-column-book1question
Sheet: Sheet1

material # | ref# | bill # |  | Customer | add value | add value | add value
756 | 1 | 5509 |  | 4788
756 | 1 | 5518 |  | 4789
854 | 1 | 5519 |  | 4790 | X | X | X
756 | 2 | 5520 |  | 4791 | X | X | X
123 | 2 | 5578 |  | 4792 | X | X | X
854 | 1 | 5588 |  | 4793 | X | X | X
123 | 3 | 5601 |  | 4794 | X | X | X
123 | 7 | 5602 |  | 4798 | X | X | X
123 | 1 | 5604 |  | 5502 | X | X | X
756 | 3 | 5619 |  | 5509 | X | X | X
123 | 3 | 5622 |  | 5510 | X | X | X
123 | 3 | 5623 |  | 5513 | X | X | X
774 | 3 | 5624 |  | 5514 | X | X | X
 |  |  |  | 5518 | X | X | X
 |  |  |  | 5519 | X | X | X
 |  |  |  | 5520 | X | X | X
 |  |  |  | 5526 | X | X | X
 |  |  |  | 5534 | X | X | X
 |  |  |  | 5535 | X | X | X
 |  |  |  | 5545 | X | X | X
 |  |  |  | 5567 | X | X | X
 |  |  |  | 5570 | X | X | X
 |  |  |  | 5571 | X | X | X
 |  |  |  | 5572 | X | X | X
 |  |  |  | 5573 | X | X | X
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