| 0.01 PROM cost | 0.426414 LKK |
| 0.1 PROM cost | 4.264144 LKK |
| 0.2 PROM cost | 8.528288 LKK |
| 1 PROM cost | 42.641438 LKK |
| 5 PROM cost | 213.207188 LKK |
| 10 PROM cost | 426.414376 LKK |
| 50 PROM cost | 2,132.071878 LKK |
| 100 PROM cost | 4,264.143757 LKK |
| 1000 PROM cost | 42,641.437568 LKK |
| 10000 PROM cost | 426,414.375677 LKK |
| 100000 PROM cost | 4,264,143.756773 LKK |