Invoice with grouped price columns
| Item             | Qty | Price  |         |
| ---------------- | --- | ------ | ------- |
|                  |     | Unit   | Total   |
| Consulting hours | 12  | 85.00  | 1020.00 |
| Data export fee  | 3   | 40.00  | 120.00  |
| Template license | 1   | 190.00 | 190.00  |
| Support retainer | 6   | 55.00  | 330.00  |