public Object getValueAt(int row, int col) {
		Account account = accounts.getAccounts(accountTypes.getBusinessObjects()).get(row);
		if (col == 1) {
			return account.getType();
		} else if (col == 2) {
			AccountType type = account.getType();
            BigDecimal saldo = account.getSaldo();
            if(type.isInverted()){
                saldo = saldo.negate();
            }
            return saldo;
        } else if (col == 3) {
            BigDecimal defaultAmount = account.getDefaultAmount();
            if(defaultAmount!=null){
                return defaultAmount;
            } else {
                return null;
            }
        } else return account;
	}