| Column- I | Column- II |
|---|---|
| (a) Product concept | (i) Its main focus is on quality, performance and feature of the product. |
| (b) Selling concept | (ii) Its main focus is on satisfaction of customer needs. |
| (c) Marketing concept | (iii) Its main focus is on aggressively persuading buyer to purchase the existing product. |
| (d) Societal concept | (iv) Its main focus is on satisfaction of customer needs and society's well-being. |
Choose the correct options from the following: