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| Date | Sales |
|---|---|
| 2023-03-01 | 800 |
| 2023-03-02 | 300 |
| 2023-03-03 | 500 |
| 2023-04-01 | 300 |
| 2023-04-02 | 500 |
| 2023-04-03 | 200 |
| 2023-05-01 | 100 |
| 2023-05-02 | 400 |
| 2023-05-03 | 400 |
| Date | TotalSales | Diff |
|---|---|---|
| 2023-05-01 | 900 | 100 |
| 2023-04-01 | 1000 | 600 |
| 2023-03-01 | 1600 | 0 |