Answer Posted / mahikshit pandey

#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<stdio.h>


//==========================Base Class========================//

class iTax
{
public:
char name[90],ads[90],occ[90];
int ID;

void getit(char *a)
{
strcpy(occ,a);
cout<<"Enter your name: ";
gets(name);
cout<<"Enter your ID: ";
cin>>ID;
cout<<"Give your address in detail: ";
gets(ads);
}

void showit()
{

cout<<"
Name : "<<name;
cout<<"
Occupation :"<<occ;
cout<<"
ID No. : "<<ID;
cout<<"
Address : "<<ads;
}
}; //end of base class


//=================================================================//

class common:public iTax

{
public:
float sal,tax;

void get()
{
cout<<"How much you earn in a year: ";
cin>>sal;
if(sal<50000)
{
tax=sal*(.03);
cout<<"Your IncomeTax is= "<<tax<<"tk."<<endl;
}
if((sal>50000)&&(sal<=100000))
{
tax=sal*(.07);
cout<<"Your IncomeTax is= "<<tax<<"tk."<<endl;
}
if((sal>100000)&&(sal<=150000))
{
tax=sal*(.10);
cout<<"Your IncomeTax is= "<<tax<<"tk."<<endl;
}
if((sal>150000)&&(sal<=200000))
{
tax=sal*(.15);
cout<<"Your IncomeTax is= "<<tax<<"tk."<<endl;
}
if((sal>200000)&&(sal<=250000))
{
tax=sal*(.20);
cout<<"Your IncomeTax is= "<<tax<<"tk."<<endl;
}
if((sal>250000)&&(sal<=300000))
{
tax=sal*(.23);
cout<<"Your IncomeTax is= "<<tax<<"tk."<<endl;
}
if(sal>300000)
{
tax=sal*(.25);
cout<<"Your IncomeTax is= "<<tax<<"tk."<<endl;
}
}


void showc()
{
cout<<"
Salary : "<<sal<<" tk. in a year";
cout<<"
Tax : "<<tax<<" tk."<<"

";

}

};

//=========================================================//

class p0:public iTax
{

public:
float sal,tax;
void getz()
{
cout<<"Enter your salary in a year: ";
cin>>sal;
cout<<"You have no income tax.
";
}
void showz()
{
cout<<"
Salary : "<<" tk. in a year"<<sal;
cout<<"
Tax : 0 tk.";
}
};

//============================================================//

class p15:public iTax
{

public:
float sal,tax;
void getfn()
{
cout<<"Enter salary in a year: ";
cin>>sal;
tax=sal*(.15);
cout<<"The income tax is: "<<tax<<"tk."<<endl;
}
void showfn()
{
cout<<"
Salary : "<<" tk. in a year"<<sal;
cout<<"
Tax : "<<tax<<" tk."<<"

";
}
};


//===========================================================//

class p20:public iTax
{
public:
float sal,tax;
void getty()
{
cout<<"Enter salary in a year: ";
cin>>sal;
tax=sal*(.20);
cout<<"The income tax is: "<<tax<<"tk."<<endl;
}
void showty()
{
cout<<"
Salary : "<<" tk. in a year"<<sal;
cout<<"
Tax : "<<tax<<" tk."<<"

";
}
};

//==============================================================//

class p25:public iTax
{
public:
float sal,tax;
void gettf()
{
cout<<"Enter salary in a year: ";
cin>>sal;
tax=sal*(.25);
cout<<"The income tax is: "<<tax<<"tk."<<endl;
}
void showtf()
{
cout<<"
Salary : "<<" tk. in a year"<<sal;
cout<<"
Tax : "<<tax<<" tk."<<"

";
}
};


//=======================Main Function=======================//

int main()
{

common c[20];
p0 z[20];
p15 fn[20];
p20 ty[20];
p25 tf[20];
iTax it;

int i,j,index,ID;
char a[70];

clrscr();
do{
cout<<" INCOME TAX CALCULATION"
<<"

What do you want to do?
1.Asking for IncomeTax view."
<<"
2.Search
3.Exit.
"
<<"
Make your choice= ";
cin>>index;

switch(index)
{

case 1:
cout<<"
How many memebers ? ";
cin>>j;
if(j==0)
cout<<"Please enter a valid number.

";

for(i=1;i<=j;i++)
{
cout<<"
Enter occupation name: ";
cin>>a;

if((stricmp(a,"farmer")==0)||(stricmp(a,"student")==0))
{
z[i].getit(a);
z[i].getz();
}

else if(stricmp(a,"business")==0)
{
ty[i].getit(a);
ty[i].getty();
}
else if(stricmp(a,"export")==0)
{
tf[i].getit(a);
tf[i].gettf();
}
else if(stricmp(a,"engineer")==0)
{
fn[i].getit(a);
fn[i].getfn();
}
else
{
c[i].getit(a);
c[i].get();
}
}
break;


case 2:
cout<<"
Give ur employee ID=";
cin>>ID;

if((ID!=c[i].ID)&&(ID!=z[i].ID)&&(ID!=fn[i].ID)&&(ID!=ty[i].ID)&&(ID!=tf[i].ID))
cout<<"No match found.....

";


for(i=1;i<=j;i++)

{
if(ID==c[i].ID)
{
c[i].showit();
c[i].showc();
cout<<"Press any key.......

";
getch();
}

if(ID==z[i].ID)
{
z[i].showit();
z[i].showz();
cout<<"Press any key.......

";
getch();
}

if(ID==fn[i].ID)
{
fn[i].showit();
fn[i].showfn();
cout<<"Press any key.......

";
getch();
}

if(ID==ty[i].ID)
{
ty[i].showit();
ty[i].showty();
cout<<"Press any key.......

";
getch();
}

if(ID==tf[i].ID)
{
tf[i].showit();
tf[i].showtf();
cout<<"Press any key.......

";
getch();
}
} break;




case 3:
break;
default:
cout<<"
a
Wrong choice Try again...";
cout<<"
Press any key to return to main menu...";
getch();
break;
}



}while(index!=3);
return 0;

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