--------------Option 1-------------
1. Stage : Level 1 to 30 : 25x
2. Stage : Level 31 to 40 : 20x
3. Stage : Level 41 to 50 : 15x
4. Stage : Level 51 to 60 : 12x
5. Stage : Level 61 to 70 : 8x
6. Stage : Level 71 to 80 : 6x
7. Stage : Level 81 to 90 : 4x
8. Stage : Level 91 to 100 : 3x
9. Stage : Level 101 to 999 : 2x
--------------Option 2-------------
1. Stage : Level 1 to 30 : 18x
2. Stage : Level 31 to 40 : 16x
3. Stage : Level 41 to 50 : 14x
4. Stage : Level 51 to 60 : 12x
5. Stage : Level 61 to 70 : 10x
6. Stage : Level 71 to 80 : 8x
7. Stage : Level 81 to 90 : 6x
8. Stage : Level 91 to 100 : 4x
9. Stage : Level 101 to 110 : 3x
10. Stage : Level 111 to 999 : 2x
--------------Option 3-------------
1. Stage : Level 1 to 30 : 20x
2. Stage : Level 31 to 40 : 15x
3. Stage : Level 41 to 50 : 12x
4. Stage : Level 51 to 60 : 10x
5. Stage : Level 61 to 70 : 8x
6. Stage : Level 71 to 80 : 6x
7. Stage : Level 81 to 90 : 4x
8. Stage : Level 91 to 100 : 3x
9. Stage : Level 101 to 110 : 2x
10. Stage : Level 111 to 999 : 1.5x