Match the following.

List-I (Concepts)	List-II (Meanings)
a. Marketing	1. State of felt deprivation of some basic satisfaction in a person
b. Needs	2. The systematic gathering, recording and analysing of marketing data
c. Marketing research	3. All or a particular combination of activities a firm uses in marketing its product
d. Marketing mix	4. The performance of business activities that direct the flow of goods and services from producer to consumers

A. a-4, b-3, c-2, d-1

B. a-2, b-3, c-4, d-1

C. a-3, b-2, c-4, d-1

D. a-4, b-1, c-2, d-3

Answer: Option D