| Value | Category |
|---|---|
| 1 | All customers pay the same price for each product/service sold |
| 2 | Each customer pays a different price for each product/service sold |
| 3 | Some customers pay lower prices depending on the quantity sold |
| 4 | Some customers pay lower prices based on the relationship with the customers |
| 5 | Some customers pay lower prices based on the time of the day |
| Sysmiss |