1, paid? Amount 2. 50 yuan ≤ paid? Amount 3, actually paid? Amount ≥88 yuan, within 20kg, free of charge, and the overweight part is calculated as 1 yuan /kg? .
4. paid? If the amount is ≥200 yuan, it is free within 20kg, and the excess weight is calculated as 1 yuan /kgi? ;
5. paid? Amount ≥300 yuan, free within 30kg, and the overweight part is calculated as 1 yuan /kg? ;
6. Actual payment? If the amount is ≥400 yuan, it is free within 40kg, and the overweight part is calculated as 1 yuan /kg? ;