For the North region, return month, revenue and running_total (cumulative revenue in month order).
6 rows with columns month, revenue, running_total — first 3 shown:
| # | |||
|---|---|---|---|
| 1 | 2025-01-01 | 420000 | 420000 |
| 2 | 2025-02-01 | 455000 | 875000 |
| 3 | 2025-03-01 | 430000 | 1305000 |
Run your code to see the output here.