(b) "Transportation group" indicates a classification of transportation service provided to pupils as follows:(a) "True expenditure for every pupil transported from the typical and surplus transportation classes" implies the quotient received by dividing: Gi?i m?i (bao g?m t?t c? gi?i nào có s? thay ??i, c?p nh?t m?i ho?c ?i?u ch?nh)?úng v?y, v