internal void CompleteRepayment(Repayment repaymentItem)
 {
     repaymentItem.Completed();
     ViewModelLocator.MainPageViewModel.IsSummaryListLoaded = false;
     ViewModelLocator.AccountViewModel.Transfer(repaymentItem.PayFromAccount, repaymentItem.PayToAccount, repaymentItem.Amount, repaymentItem.Amount, true);
     this.SubmitChanges();
 }