Answer: e.controlling
Explanation:
Controlling is one of the functions of a manager. It entails ensuring that an organisation is still on track to achieve set out objectives and making necessary corrections if it isn't.
Other functions of a manager includes-
a.Planning - it involves the development of an organisation's goals. it involves strategizing on how to achieve goals set out by the organisation.
b.Directing - it involves putting patterns, resocurces in place to ensure goals are achieved.
c.Leading - it involves encouraging, correcting and assisting members of staffs in achieving organisation's goals.