1 At the end of the program total the amount of money put in
Solution
//Vending Machine Program
 #include <iostream>
 #include <fstream>
using namespace std;
int main()
 {
    double product1 = 0.60;
    double product2 = 1.85;
    double product3 = 1.70;
    double product4 = 0.90;
    double product5 = 0.75;
    double product6 = 1.10;
    double product7 = 1.45;
    double product8 = 1.25;
    double customerMoney = 0.00;
    double expense = 0.00;
   ofstream outfile;
    outfile.open(\"GroupNameVendingMachine.txt\");
   cout << \"How much money do you have? \";
    cin >> customerMoney;
   while (customerMoney >= 59.99)
    {
        int customerChoice = 0;
        int exitProgram = 0;
       cout << \"Which product would you like to buy?\  Enter \'1\' for Candy Bar: ($0.60)\  Enter \'2\' for Energy Bar ($1.85)\  Enter \'3\' for Energy Drink ($1.70)\  Enter \'4\' for Hard Candy ($0.90)\  Enter \'5\' for Popcorn ($0.75)\  Enter \'6\' for Potato Chips ($1.10)\  Enter \'7\' for Soda ($1.45)\  Enter \'8\' for Water ($1.25)\  Enter \'9\' for Exit\ \";
        cin >> customerChoice;
        if (customerChoice == 1)
        {
            cout << \"You have selected Candy Bar: \ \";
            customerMoney = customerMoney - product1;
            expense = expense - product1;
            outfile << \"Candy Bar \" << product1 << endl ;
            cout << \"You have $\" << customerMoney << \" left\ \";
          
        }
        else if (customerChoice == 2)
        {
            cout << \"You have selected Energy Bar \ \";
            customerMoney = customerMoney - product2;
            expense = expense - product2;
            outfile << \"Energy Bar \" << product2 << endl ;
            cout << \"You have $\" << customerMoney << \" left\ \";
        }
        else if (customerChoice == 3)
        {
            cout << \"You have selected Energy Drink\ \";
            customerMoney = customerMoney - product3;
            expense = expense - product3;
            outfile << \"Energy Drink \" << product3 << endl ;
            cout << \"You have $\" << customerMoney << \" left\ \";
        }
        else if (customerChoice == 4)
        {
            cout << \"You have selected Hard Candy\ \";
            customerMoney = customerMoney - product4;
            expense = expense - product4;
            outfile << \"Hard Candy \" << product4 << endl ;
            cout << \"You have $\" << customerMoney << \" left\ \";
          
        }
        else if (customerChoice == 5)
        {
            cout << \"You have selected Popcorn\ \";
            customerMoney = customerMoney - product5;
            expense = expense - product5;
            outfile << \"Popcorn \" << product5 << endl;
            cout << \"You have $\" << customerMoney << \" left\ \";
          
        }
        else if (customerChoice == 6)
        {
            cout << \"You have selected Potato Chips\ \";
            customerMoney = customerMoney - product6;
            expense = expense - product6;
            outfile << \"Potato Chips \" << product6 << endl ;
            cout << \"You have $\" << customerMoney << \" left\ \";
          
        }
        else if (customerChoice == 7)
        {
            cout << \"You have selected Soda\ \";
            customerMoney = customerMoney - product7;
            expense = expense - product7;
            outfile << \"Soda \" << product7 << endl ;
            cout << \"You have $\" << customerMoney << \" left\ \";
          
        }
        else if (customerChoice == 8)
        {
            cout << \"You have selected Water\ \";
            customerMoney = customerMoney - product8;
            expense = expense - product8;
            outfile << \"Water \" << product8 << endl ;
            cout << \"You have $\" << customerMoney << \" left\ \";
          
        }
        else if (customerChoice == 9)
        {
            outfile << \" total \" <<expense << endl;
            break;
        }
   }
       
   cin.ignore();
    cin.get();
    return 0;
 }



