Which of the following is not the sub-function of buying?

Correct option is C

Correct answer – (c) Buying functions include planning, contracting, and negotiation. Demand creation is related to selling and promotion, not buying. Therefore, demand creation is not a sub-function of buying.
Information Booster / Facts Buying involves activities like source selection, price fixation, and contracting. Selling functions include promotion and demand creation.
Why other options are incorrect (a) Planning is a part of buying. (b) Contractual function is essential in buying. (d) Negotiation is an important buying function.