public virtual SavingValue WithdrawSavingValue(Saving saving, decimal value, DateTime date, string description)
{
SavingValue SavingValue = saving.Withdraw(value, date, description, this);
SavingValues.Add(SavingValue);
return(SavingValue);
}
public virtual void CancelWithdrawSavingValue(SavingValue savingValue)
{
savingValue.Saving.Values.Remove(savingValue);
SavingValues.Remove(savingValue);
}
