投标额中标服务费200014.9比率越来越低，速算扣除数为负值，公式中用MIN月工资所得税400015比率越来越高，速算扣除数为正值，公式中用MAX超额累进与累退率计算公式示范，详询QQ349584212差额定率累进法计算中标服务费([2003]85起(万元)止(万元)费率本级(万元)01001.50%1.51005001.10%4.450010000.80%4100050000.50%205000100000.25%12.5个人所得税计算（单位：元）起止费率本级035000.00%0350050003.00%455000800010.00%30080001250020.00%900125003850025.00%6500385005850030.00%6000585008350035.00%87508350010000000045.00%449624253]857号文)速算扣除数0-0.4-1.9-4.9-17.4速算扣除数0105455125518803805673015080
