| Period | Customer #1 | Customer #2 | Customer #3 | ||||||
| P1 | P2 | P3 | P1 | P2 | P3 | P1 | P2 | P3 | |
| 1 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 | 550 |
| 2 | 850 | 850 | 0 | 600 | 0 | 850 | 850 | 850 | 850 |
| 3 | 449 | 450 | 1300 | 0 | 1300 | 450 | 0 | 0 | 267 |
| 4 | 751 | 750 | 750 | 0 | 0 | 550 | 0 | 1200 | 483 |
| 5 | 350 | 350 | 350 | 1800 | 1100 | 550 | 1550 | 350 | 0 |
| 6 | 850 | 850 | 0 | 850 | 850 | 450 | 850 | 850 | 0 |