CIF raw sugar (after tax) = FOB+ insurance premium+sea freight+foreign trade agency fee+bank fee+interest+labor service+customs duty+value-added tax.
1. FOB = (original sugar price+water) *22.046* 1.03, and the two figures respectively represent weight unit conversion and optical rotation appreciation.
2. Insurance premium =(FOB+ freight) * 0.045438+06; Among them, 0.0046 16 is the insurance rate.