Authorization means that the supervisor or leader assigns deputies or subordinates with certain responsibilities and part of the board of directors according to the principle of hierarchical leadership, so that deputies or subordinates have corresponding autonomy and command of action under their leadership and supervision. Responsible for reporting and completion. According to this definition, which of the following are authorized? ['Under the unit system, subordinates have the right to refuse unreasonable requests from superiors.', 'Department members report weekly completion status to department leaders.', 'The leader entrusted his secretary to buy a newspaper, and the secretary entrusted another colleague to buy a newspaper because of a temporary matter.', 'The person in charge of the unit is responsible for its daily affairs and business processing due to business trips.']