Daily productin cost: Take the pretreated waste tyres and equipment LJ- ... charge G: Others: RMB100 H: Total: RMB 13,704 4. Daily turnover(take WJ-5 for example) Tire oil 12T x ... .2T x RMB 1800/T=RMB2, 60 5. Gross profit = daily turnover-daily cost = RMB21, 600+RMB2, 640+RMB2, 160-RMB13, 074 ...