B. Eco. Q.189
0. Match List-I with List-II and select the correct answer using the codes given below the lists:
| List-I | List-II |
| a. Perfect competition | I. No control |
| b. Monopolistic competition | II. Some control |
| c. Oligopoly | III. Practically some control |
| d. Monopoly | IV. Usual control |
