int main()
{
	cout << fixed << showpoint << setprecision(2);
	char action; // Deposit, Withdrawal, Interest, and Closeout

	int initialBalance; // initial balance entered by the user must be between 1 and 1000
	int Amount; // this is my second operand
	int numBillsDispensed; // the number of bills dispensed
	float newBalance; // the balance after the action has taken place
	bool isInvalid = false;

	cout << "Enter the initial balance [1-1000]: " << endl;
	cin >> initialBalance;

	cout << "Enter an action (D, W, I or C): " << endl;
	cin >> action;

	cout << "Enter the second operand: " << endl;
	cin >> Amount;

	if (action == 'D')
	{
		if (Amount > 1000 || Amount < 1)
		{
			cout << "Input out of range" << endl;
			isInvalid = true;
		}
		if (isInvalid == false)
		{
			newBalance = initialBalance + Amount;
				cout << "The new account balance is " << newBalance << endl;
		}
	}
	if (action == 'W')
	{
		if (Amount < 1 || Amount > initialBalance)
		{
			cout << "Input out of range" << endl;
			isInvalid = true;
		}
		if (isInvalid == false)
		{
			newBalance = initialBalance - Amount;
				cout << "The new account balance is " << newBalance << endl;
		}
	}
	if (action == 'I')
	{
		if (Amount < 1 || Amount > 15)
		{
			cout << "Input out of range" << endl;
			isInvalid = true;
		}
		if (isInvalid == false)
		{
			newBalance = (float)initialBalance + (((float)Amount / 100.0)*(float)initialBalance);
				cout << "The new account balance is " << newBalance << endl;
		}
	}
	if (action == 'C')
	{
		if (Amount != 20 && Amount != 10 && Amount != 5)
		{
			cout << "Input out of range" << endl;
			isInvalid = true;
		}
		if (isInvalid == false)
		{
			numBillsDispensed = initialBalance / Amount;
			newBalance = initialBalance - (numBillsDispensed * Amount);
			cout << numBillsDispensed << " bills dispensed plus " << newBalance << endl;
		}
	}
	if (action != 'D' && action != 'W' && action != 'I' && action != 'C')
	{
		cout << "Input out of range" << endl;
		isInvalid = true;
	}
	cin.get();
	cin.get();

	return 0;
}