Match the following.
| List-I | List-II |
| a. Media research | 1. Primary data |
| b. Marketing | 2. Study of a customaries segment |
| c. Data of RNI | 3. A kind of material data |
| d. Market research | 4. Study of broadcast audience |
A. a-1, b-2, c-4, d-3
B. a-4, b-3, c-1, d-2
C. a-2, b-3, c-1, d-4
D. a-1, b-2, c-3, d-4
Answer: Option A

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