public void Repair(Car car) { if (car.BattOk == false) { car.BattOk = true; } car.CheckAllSystem(); CashRegister bill = CashRegister.Payd; bill.AddBill(200); Console.WriteLine(" {0,26} Repaired. Please pay:{1,14}", car.Name, bill.BillSize.ToString("C", CultureInfo.CurrentCulture)); //bill.AddBill(200); // Console.WriteLine("please pay:" + bill.BillSize.ToString("C",CultureInfo.CurrentCulture)); bill.ResetCashRegister(); }