Mark out the correct answer about Human Relations Approach to work place behaviour from the code given below:

I. It is against those approaches which give individualistic and over-rational emphasis to explain workers’ behaviour in material terms.

II. It emphasizes the importance of informal groups in industry.

III. It has set the beginning of a model of the factory as a social system and the worker as a social man.

IV. It considers the industrial man as a rational and economic man.

Codes:

(A) I, II only

(B) I, III, IV

(C) I, IV only

(D) I, II, III