public class CheckingAccount extends BankAccount 
{
    private static final double FLAT_RATE = 1.5;
    private int accountNumber = 10000;
    private static int accInc = 0;
    
    public CheckingAccount() 
    {
        super();
        accountNumber += accInc++;
    }
    
    public CheckingAccount(Customer c, double balance) 
    {
        super(c, balance);
        accountNumber += accInc++;
    }
    
    public int getAccountNumber()
    {
    	return accountNumber;
    }
    
    public void withdraw(double amount) 
    {
        if (getBalance() + FLAT_RATE > amount) {
            deposit(-1 * amount);
            deposit(-1 * FLAT_RATE);
        }
    }
    
    public String toString() 
    {
        return "Checking Account #" + accountNumber + " with balance $" + getBalance() 
        + person.getLastName() + person.getFirstName;
    }
}