private void Button_Click(object sender, RoutedEventArgs e)
        {
            AccountMgr am = new AccountMgr();
            Account    a  = am.GenerateAccount();

            MessageBox.Show(a.Print());
        }
        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            string amt_s    = AmountBox.Text;
            double amt      = Convert.ToDouble(amt_s);
            string currency = CurrencyBox.Text;
            string date     = DateBox.Text;



            Deposit d = new DOMAIN.Deposit(amt, currency, date);

            AccountMgr          am = new AccountMgr();
            Account             a  = am.GenerateAccount();
            IList <Transaction> tt = am.GenerateTList();

            DepositMgr dm = new DepositMgr();

            dm.ProcessDeposit(d, a, tt);
        }