Bulk SMS Re seller Bill calculate In php

Hi Every one I need expert php developer. now I will need only unlimited level bill count system Level -1 (SMS price 1$) (total balance 10$) (Send SMS 0)(New Balance 6$) Level -2 ref level 1 (SMS price 2$) (total balance 10$) (Send SMS 3)(New Balance 4$) Level -2,1 ref level 1 (SMS price 2$) (total balance 10$) (Send SMS 0)(New Balance 8$) Level -3 ref level 2,1 (SMS price 3$) (total balance 10$) (Send SMS 1)(New Balance 7$) I need this system urgent Thanks