c++第三次作业-个人所得税

#include <iostream>
using namespace std;
int main()
{
double dSalary,dTax,dNetIncome,dx;
cout<<"请输入您本月的收入(元):";
cin>>dSalary;
dx=dSalary-3500;
if(0<dx<=1500)
dTax=(dSalary-3500)*0.03;
else if(1500<dx<=4500)
dTax=(dSalary-3500)*0.1-105;
else if(4500<dx<=9000)
dTax=(dSalary-3500)*0.2-555;
else if(9000<dx<=35000)
dTax=(dSalary-3500)*0.25-1005;
else if(35000<dx<=55000)
dTax=(dSalary-3500)*0.3-2755;
else if(55000<dx<=80000)
dTax=(dSalary-3500)*0.35-5055;
else if(dx>80000)
dTax=(dSalary-3500)*0.45-13505;
dNetIncome=dSalary-dTax;
cout<<"你本月应缴的个人所得税"<<dTax<<" 元，税后收入是 "<<dNetIncome<<" 元。\n";
cout<<"依法纳税，共享繁荣。谢谢使用！\n";
return 0;
}
运行结果：