Please refer to the following:

The first weight is within 100g, and each weight is 20g (20g is calculated if it is less than 20g). Local (county) tariff is 0.80, and foreign tariff is 1.20.

The continuous weight is 10 1-2000g, and the weight of each animal is 100g (if it is less than 100g, it shall be calculated as 100g). Local (county) tariff 1.20, foreign tariff 2.00.