public int getRowCount() {
		if(balance==null) return 0;
		int size1 = balance.getLeftAccounts(includeEmpty).size();
		int size2 = balance.getRightAccounts(includeEmpty).size();
		int size = size1 > size2 ? size1 : size2;
		if (size != 0) size += 2;
		return size;
	}