第九章 计算个人所得税

#include <stdio.h>
#include <stdlib.h>

int main()
{
double dSalary,dSalary0,dTax=0,dNetlncome=0;
printf("请输入你本月的收入总额（元）：");
scanf("%lf",&dSalary);
if (dSalary<3500)
{
dTax=0;
dNetlncome=dSalary;
}
else
dSalary0=dSalary-3500;
if (dSalary0<=1500)
dTax=dSalary0*0.03;
else if (dSalary0<=4500)
dTax=dSalary0*0.1-105;
else if (dSalary0<=9000)
dTax=dSalary0*0.2-555;
else if (dSalary0<=35000)
dTax=dSalary0*0.25-1005;
else if(dSalary0<=55000)
dTax=dSalary0*0.3-2755;
else if (dSalary0<=80000)
dTax=dSalary0*0.35-5505;
else
dTax=dSalary0*0.45-13505;
dNetlncome=dSalary-dTax;
printf("您本月应缴个人所得税%.2lf元，税后收入是%.2lf元。\n",dTax,dNetlncome);
printf("依法纳税，共享繁荣。谢谢使用！\n");
return 0;
}