Excel 个税公式:
求个税:=ROUND(MAX(B7*0.01*{3,10,20,25,30,35,45}-{0,210,1410,2660,4410,7160,15160},0),2)
倒推税率:=MAX(IF(B7>{0,3000,12000,25000,35000,55000,80000},{3,10,20,25,30,35,45}%,0))
倒推应交税额:=MIN((C7+{0,210,1410,2660,4410,7160,15160})/({3,10,20,25,30,35,45}*0.01))
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