public override string ToString()
        {
            string result = ProductCode.PadRight(4);

            result += ProductName.PadRight(25);
            result += Price.ToString("C").PadLeft(6);
            result += " ";

            if (Quanity == 0)
            {
                result += "Sold Out!";
            }
            else
            {
                result += Quanity.ToString().PadRight(10);
            }

            return(result);
        }