52. Which one of the following is not matched properly.
| List-I | List-II |
| l. The high initial price to be lowered later on | 1. Product line pricing |
| II. Price to be proportional to cost. | 2. Differential pricing |
| Ill. Price to be increased for providing a profit | 3.pioneer pricing |
| IV. Price to be different in different markets. | 4. Incremental pricing. |