#include<iostream>
using namespace std;
int main()
{
  const float COST_EYE = 3.35;
  const float COST_SPLEEN = 2.75;
  const float COST_LIVER = 14.58;
  const float COST_APPENDIX = 0.50;
  const float COST_BRAINS = 7.85;
  const float COST_EAR = 13.45;

  //const float WT_BRAIN = 0.4;
  //const float WT_SPLEEN = 5.6;
  //const float WT_LIVER = 3.0;
  //const float WT_APPENDIX = 1.2;
  //const float WT_EYE = 2.3;
  //const float WT_EAR = 10.0;

  char input;
  bool quit = 0;
  float amount_paid;

  cout.setf(ios::fixed);
  cout.setf(ios::showpoint);
  cout.precision(2);

  while(quit == 0)
  {
    cout << "MAIN MENU" << endl;
    cout << "1.) eyeballs" << endl;
    cout << "2.) spleen" << endl;
    cout << "3.) liver" << endl;
    cout << "4.) appendix" << endl;
    cout << "5.) brains" << endl;
    cout << "6.) earlobes" << endl;
    cout << "7.) Quit" << endl;

    cin >> input;

    switch(input)
    {
      case '1':
        cout << "That will cost $" << COST_EYE << endl;
        cout <<"Please insert cash: ";
        cin >> amount_paid;
        break;
      case '2':
        cout << "That will cost $" << COST_SPLEEN << endl;
        cout <<"Please insert cash: ";
        cin >> amount_paid;
        break;
      case '3':
        cout << "That will cost $" << COST_LIVER << endl;
        cout <<"Please insert cash: ";
        cin >> amount_paid;
        break;
      case '4':
        cout << "That will cost $" << COST_APPENDIX  << endl;
        cout <<"Please insert cash: ";
        cin >> amount_paid;
        break;
      case '5':
        cout << "That will cost $"  << COST_BRAINS << endl;
        cout <<"Please insert cash: ";
        cin >> amount_paid;
        break;
      case '6':
        cout << "That will cost $" << COST_EAR << endl;
        cout <<"Please insert cash: ";
        cin >> amount_paid;
        break;
      case '7':
        quit = 1;
        break;
      default:
      cout << "ERROR. Invalid Input. Try Again" << endl;
    }
  }
  return 0;
}