| 0.01 RIS cost | 0.000097 LKK |
| 0.1 RIS cost | 0.000970 LKK |
| 0.2 RIS cost | 0.001940 LKK |
| 1 RIS cost | 0.009699 LKK |
| 5 RIS cost | 0.048496 LKK |
| 10 RIS cost | 0.096992 LKK |
| 50 RIS cost | 0.484959 LKK |
| 100 RIS cost | 0.969919 LKK |
| 1000 RIS cost | 9.699189 LKK |
| 10000 RIS cost | 96.991887 LKK |
| 100000 RIS cost | 969.918866 LKK |