Calculation and extraction. The benchmark of floating trust management fee is calculated and extracted by multiplying the specified proportion by the specified base and included in a certain subject. It refers to multiplying a specified base (such as the statutory wages paid to employees) by a specified proportion (such as the welfare payable is 65438+ 04% of the wages stipulated by the state), and the process of calculating the welfare payable by this method is the process that should be extracted, and counting it into the welfare payable subject is the explanation of the latter sentence.