segi

/* standard libraries */
#include <iostream>
#include <math.h>

using namespace std;
/* main program */
int main()
{
 /*variables*/
 char Choice;
 double Price,Quantity,Amount;
 int End;

 /*program display*/
 cout<<" Rose barista coffeeshop is offering different sizes of coffee: Small=1.75 RM, Medium=1.90 RM, Large=2.00 RM \n"
 <<"\n"
 << "Press 'S' for the small size coffee \n "
 <<"\n"
 << "Press 'M' for the medium size coffee \n "
 <<"\n"
 << "Press 'L' for the large size coffee \n  "<<"\n"
 <<endl;
for(;;)
{
    // user's input //
 cout<< "Enter the size of coffee : ";
 cin>>Choice;


 cout<< "Enter the quantity of coffee : ";
 cin>>Quantity;

 cout<< "choice :" <<Choice<<endl;

 // conditions //
 if( Choice=='S' || Choice=='s')
    {
     Price=1.75*Quantity;
     Amount=Quantity*9;
     cout<<"Coffee cup's size:"<<Choice<<endl;
     cout<<"Number of Coffee cup's:"<<Quantity<<endl;
     cout<<"Total Money made: RM"<<Price<<endl;
     cout<<"Total Amount of Coffee sold:"<<Amount<<"oz"<<"\n"<<endl;

    }

 else if( Choice=='M' || Choice=='m')
    {
     Price=1.90*Quantity;
     Amount=Quantity*12;
     cout<<"Coffee cup's size:"<<Choice<<endl;
     cout<<"Number of Coffee cup's:"<<Quantity<<endl;
     cout<<"Total Money made: RM"<<Price<<endl;
     cout<<"Total Amount of Coffee sold:"<<Amount<<"oz"<<"\n"<<endl;

    }

    else if( Choice=='L' || Choice=='l')
    {
     Price=2.00*Quantity;
     Amount=Quantity*15;
     cout<<"Coffee cup's size:"<<Choice<<endl;
     cout<<"Number of Coffee cup's:"<<Quantity<<endl;
     cout<<"Total Money made: RM"<<Price<<endl;
     cout<<"Total Amount of Coffee sold:"<<Amount<<"oz"<<"\n"<<endl;

    }

    else
    {
     cout<< "Invalid option"<<"\n"<<endl;

    }

  // final/escape command //
   cout <<"Press 1 To Continue or Press Any Number To Stop"<<endl;
   int stop;
   cin>>stop;
   if(stop==1) continue;
   else break;

}

return 0;
}