private static void OnTimedEvent(Object source, ElapsedEventArgs e, int id)
        {
            ILoanServices MyService = new LoanServices();
            loan          loan      = MyService.GetById(id);

            MyService.PayBackLoan(loan);

            Console.WriteLine("The Elapsed event was raised at {0:HH:mm:ss.fff}",
                              e.SignalTime);
            Console.WriteLine("Rest amount: " + loan.RestAmount);
            Console.WriteLine("Balance: " + loan.account.AccountBalance);
        }