Soumya, the president of a higher-education publishing firm, delegates responsibility for all editorial activities to Sarah, the executive editor. Sarah accepts this responsibility and has the authority to obtain all relevant information, make decisions about what to publish, and delegate any and all activities to her subordinates. Sarah delegates all the editorial activities to the managing editors of each academic discipline. In turn, these managers assign specific projects to their development editors. Who is ultimately accountable to Soumya for all the editorial activities