public Decimal WrapperOnFinal(InterfaceToBLL b)
        {
            Decimal test_result;

            VandV_ProtoType_2.BLL.BLL_Final d = new BLL_Final();

            try
            {
                test_result = (Decimal)d.Calculate(b).Total_Price;
            }
            catch (Exception ex)
            {
                String wut = ex.Message;
                test_result = 0;
            }

            return(test_result);
        }