def METHOD_NAME(self):
    """
    Query Obligations and Outlays per Bureau from File B for a single Period
    """
    filters, bureau_info_subquery = self.get_common_query_objects("treasury_account")
    results = (
        (FinancialAccountsByProgramActivityObjectClass.objects.filter(*filters))
        .annotate(bureau_info=bureau_info_subquery)
        .values("bureau_info")
        .annotate(
            total_obligations=Sum("obligations_incurred_by_program_object_class_cpe"),
            total_outlays=Sum("gross_outlay_amount_by_program_object_class_cpe"),
        )
        .exclude(bureau_info__isnull=True)
        .values("bureau_info", "total_obligations", "total_outlays")
    )
    return results