def METHOD_NAME(period, report_type, exclude_maintenance=False):
    """Builds a report for a given subscription period"""
    context = build_context(period, report_type, exclude_maintenance)
    html_message = render_to_string('business/email.html', context)
    text_message = render_to_string('business/email.txt', context)
    return Report(
        get_email_subject(period, report_type), period, text_message, html_message
    )