The personal secretary of a top manager may have

a. power and authority
b. line authority but not staff authority
c. power but not authority
d. authority but not power

c. power but not authority

Explanation:

The personal secretary of a top managers may have power but not authority. Personal secretray is who keep the manager updated with his personal task like meeting, travelling, schedules and documentation he has power to do all this thing but dont have authority to order anything in the office or the firm. Personal secretary's responsibilitie and duties are restricted to the manager and at that level only. She couldnot order anyone to finish the task on stipulated time or deadline.

Personal secretary's main task is to respond to her boss about his work deadline, travelling schedule, asnwering call and response them accordingly, prepare correspondence for the boss, planning and scheduling the meeting, take care of minutes and take action on points, plannig events and oraganinsing them as well, Managing project of boss etc. but his/her dutie are restricted to these work only she couldnot order.

3rd the reason why is because of management and leadership