Лабораторийн ажил - 2

 Доорх бодлогын, Бодлогын даалгаврыг бич

#include<conio.h>
#include<string.h>
#include<iostream.h>
class Fransh;
class Company {   float income, cost;
          void sum(Fransh &f1,Fransh &f2,Company &c);
           public:
           friend void tax(int p,Fransh &f1,Fransh &f2,Company &c);
           char name[20];Company();
           void print(Fransh &f1,Fransh &f2,Company &c);
        };
class Fransh  {    float income, cost;
           public:
           friend class Company;
           friend void tax(int p,Fransh &f1,Fransh &f2,Company &c);
           char name[20];Fransh();
           void change(); void print();
         };
Company::Company()
         { strcpy(name,"Company");
           income=400.1; cost=210.1;}
Fransh::Fransh()
         { strcpy(name,"Franshiz 1");
           income=200.4; cost=110.4;}
void Fransh::change()
          { strcpy(name,"Franshiz 2");
            income=300.2;cost=150.2;}
void Company::print(Fransh &f1,Fransh &f2,Company &c)
        { cout<<"Company Name:\n\t"<<c.name<<"\n\tIncome:\t"<<c.income<<"\n\tCost:\t"<<c.cost<<endl;
          int k;cout<<"\nAddition information key:";cin>>k;if(k==7) c.sum(f1,f2,c);}
void Fransh::print()
         {cout<<"Franshiz Name:\n\t"<<name<<endl;
          cout<<"\tIncome:    "<<income<<endl;
          cout<<"\tCost:      "<<cost<<endl;}
void Company::sum(Fransh &f1,Fransh &f2,Company &c)
        { float k=c.income+f1.income+f2.income;
          float k1=c.cost+f1.cost+f2.cost;
          cout<<"\nCompany and Fransh total income:\t "<<k<<"\n";
          cout<<"Company and Fransh total cost:  \t "<<k1<<"\n";
          cout<<"\t\t Name:"<<"\t\tIncome:"<<"\t\tCost:   "<<endl;
          cout<<"\t\t"<<f1.name<<"\t"<<f1.income<<"\t"<<f1.cost<<"\n";
          cout<<"\t\t"<<f2.name<<"\t"<<f2.income<<"\t"<<f2.cost<<"\n";}
void tax(int p,Fransh &f1,Fransh &f2,Company &c)
        { float j=c.income-c.cost; j*=p; j/=100;
          cout<<"\tCompany tax :\t "<<j<<"\n";
          float j1=f1.income-f1.cost; j1*=p; j1/=100;
          float j2=f2.income-f2.cost; j2*=p; j2/=100;
          cout<<"\tFransh tax:\t "<<j1<<"\n";cout<<"\t\t\t "<<j2<<"\n";
          cout<<"\t Company and Fransh total tax:\t "<<j+j1+j2<<"\n";}
void main()
{ clrscr();
  int p;
  Company c;  Fransh f1,f2;
  f2.change();
  f1.print(); f2.print();
  c.print(f1,f2,c);
  cout<<"\tProcent of tax:";cin>>p;
  tax(p,f1,f2,c);
  getch();
}