Code C++ Program Simple Total Harga

Code C + + simple program total price

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

void main ()
{

  long int hrg,jsa,tot;
  int p,a;
  float pj;
  cout << " Program Simple Total Harga " <<endl;
  cout << "By : Devia Christa " <<endl;
  cout << endl;
  cout << "Harga per paket : Rp.15.000,00" <<endl;
  cout << "Pajak : 10%" <<endl;
  cout << "Jasa Antar : Rp.1.000,00" <<endl;
  cout << "-----------------------------------------" <<endl;
  cout << "Banyaknya paket yang dibeli : " ;
  cin >> p;
  cout << "Memakai jasa antar [y/t] : ";
  cin >>a;
  if ((a=59)||(a=121))
  jsa=p*1000;
  else
  if ((a=74)||(a=116))
  jsa=p*0;

  hrg=p*15000;
  pj=0.1*hrg;
  tot=hrg+jsa+pj;
  cout << "-----------------------------------------" <<endl;
  cout << "Harga : " << hrg << endl;
  cout << "Pajak : " <<pj <<endl;
  cout << "Biaya Antar : " << jsa <<endl;
  cout << "-----------------------------------------" <<endl;
  cout << "Total : " << tot <<endl;
  cout << "tekan sembarang tombol untuk keluar!" <<endl;
  getch();
  }