if_ifElseDEMO.cpp

//************************************************************************
// Author: Rolando Carreon
// Date: jan 28 2025
// Language: C++
// Assignment: If_If/ElseDEMO
// Description: get credit card balence and payment from the user
//              and calculate interests and displa account details.
//************************************************************************

#include<iostream>
#include<iomanip>
using namespace std;

int main()
{
    // declare local variables
    double creditCardBalance;
    double payment;
    
    double interest = 0.0;
    const double INTEREST_RATE = .015;
    
    // setup the output formatting for currency //
    cout << fixed << showpoint << setprecision(2);
    
// get the balance and pament from the user //
    cout << "Enter the credit card balance: ";
    cin >> creditCardBalance;
    // prompt for payment //
    cout << "Enter the payment amount: ";
    cin >> payment;

// calculate the new balance //
    creditCardBalance -= payment;
    
    // if there's a balance amount, calculate the interest //
    if(creditCardBalance > 0)
    {
        interest = creditCardBalance * INTEREST_RATE;
    }
    
    // display the account details //
    cout << "The new creditCardBalance is: $" << creditCardBalance << endl;
    cout << "The interest to be added to your account is: $"
    << interest << endl;
    cout << "Next month's bill is: $" << creditCardBalance + interest << endl;
    
    
    
    return 0;
}