Chapter 8 homework

//Christian Ballard
//COSC 1330 - 003
//This program will set a menu for a bank.
#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
    cout << "Welcome to Drew's Bank!" << endl;
    cout << endl;
    //Variables
    float balance = 0.0;
    char response = ' ';
    const int NSF = 35;
    float checkValue = 0.0;
    float deposit = 0.0;
    float chargeValue = 0.0;
    char loopQuestion = ' ';
    int checkCount = 0;
    int depositCount = 0;
    int chargeCount = 0;
    float totalCheck = 0.0; //Tracks how much is spent after each transaction
    float totalDeposit = 0.0;//does the same thing here
    float totalCharge = 0.0;//and here



    //find out the users balace
    cout << "What is your current balance? $";
    cin >> balance;
    //Clear the screen
    system("CLS");
    //loopies
    do
    {
        //Bank menu
        cout << "What would you like to do?" << endl;
        cout << endl;
        cout << "For a check, please enter the number '1'" << endl << "For a deposit, please enter the number '2'" << endl << "For a charge, please enter the number '3'" << endl << "To exit, please enter the number '4'" << endl;
        cin >> response;
        system("CLS");

        //Switch statement
        switch (response)
        {
        case '1': //The check option
            cout << "You have chosen the check option." << endl;
            cout << "Your current balance is $" << balance << endl << endl;
            cout << "What is the value of the check?" << endl << "$";
            cin >> checkValue;
            system("CLS");

            // selection
            if (checkValue <= balance)
            {
                balance = balance - checkValue;
                cout << "You have withdrawn $" << checkValue << endl << "Your new balance is $" << balance << endl;
                checkCount++;
                totalCheck = checkValue + totalCheck;
            }
            else
            {
                cout << "You have insufficient funds, an NSF charge of $35.00 has been added to your account." << endl;
                balance = balance - NSF;
                cout << "Your new balance is $" << balance << endl;
            }
            break;
        case '2': //The deposit option
            cout << "You have chosen to make a deposit." << endl;
            cout << "Your current balance is $" << balance << endl << endl;
            cout << "How much would you like to deposit?" << endl << "$";
            cin >> deposit;
            balance = deposit + balance;
            cout << "Your new current balance is." << endl << "$" << balance << endl;
            depositCount++;
            totalDeposit = deposit + totalDeposit;
            break;
        case '3': //The charge option
            cout << "You have chosen to make a charge on your account." << endl;
            cout << "Your current balance is $" << balance << endl << endl;
            cout << endl << "What is the value of the charge?" << endl << "$";
            cin >> chargeValue;
            if (chargeValue > balance)
            {
                cout << "Insufficient funds, card denied." << endl;
            }
            else
            {
                balance = balance - chargeValue;
                cout << "Your new current balance is" << endl << "$" << balance << endl;
                chargeCount++;
                totalCharge = chargeValue + totalCharge;
            }
            break;
        case '4': //The exit option
            cout << "Thank you for exiting the bank." << endl;
            break;

        default: //What happens if the wrong value is entered.
            response = 'z';
        }

        if (response == 'z')
        {
            cout << "Please enter '1' for a check, '2' for a deposit, or '3' for a charge. " << endl;
        }
        {
            cout << "Would you like to make another transaction? (Y/N) " << endl;
            cin >> loopQuestion;
        }
        system("cls");
    } while (toupper(loopQuestion) == 'Y');

    cout << "Thank you for exiting the bank." << endl << endl;

    cout << "Balance              $" << setw(5) << balance << endl;
    cout << "Number of checks     $" << setw(3) << checkCount << endl;
    cout << "Number of deposits   $" << setw(3) << depositCount << endl;
    cout << "Number of charges    $" << setw(3) << chargeCount << endl;


    system("pause");
    return 0;
}