gross salary

#include<iostream>
using namespace std;
int main()
{
    float gross ,basic,hra,da;
    cout<<"enter basic salary of an employee:";
    cin>>basic;
    
        if(basic<25000)
    {
        da=basic*80/100;
        hra=basic*20/100;
    }    
    else if(basic>=25000&&basic<40000)
    {
        da=basic*90/100;
        hra=basic*25/100;
    }
    else if (basic>40000)
    {
        da=basic*95/100;
        hra=basic*30/100;
    }
    gross=basic+hra+da;
    cout<<"\n\tbasic pay..........."<<basic<<endl;
    cout<<"\tdearness allowance........."<<da<<endl;
    cout<<"\thouse rent allowance..........."<<hra<<endl;
    cout<<"\t----------------------------------"<<endl;
    cout<<"\tgross salary.................."<<gross<<endl;
    cout<<"\t-------------------------------------"<<endl;
    return 0;
    
    
}