What is the content covered in Unit II of this material? I - The classical approach to administration. II - The humanistic approach to administrat...

What is the content covered in Unit II of this material?

I - The classical approach to administration.
II - The humanistic approach to administration.
III - The structuralist approach to administration.
IV - The behavioral approach to administration.
V - The mathematical theory of administration.
a) Only I, II and III are covered in Unit II.
b) Only II, III and IV are covered in Unit II.
c) Only I, III and V are covered in Unit II.
d) All approaches are covered in Unit II.