临界点(元) 18000 54000 108000 420000 660000 960000
税率(%) 3 10 20 25 30 35
纳税额 540 5295 21045 103995 195245 330495
若多发1元 18001 54001 108001 420001 660001 960001
税率(%) 10 20 25 30 35 45
纳税额 1695.110245.225995.25123245.3225495.35418495.45
多发1元需多纳税1155.14950.24950.2519250.330250.35 88000.45