Match the following:
| List - I(Type of Unemployment) | List - II(Associated Fact) |
|---|---|
| A. Frictional Unemployment | 1. Non-availability of job |
| B. Structural Unemployment | 2. Marginal productivity is zero |
| C. Seasonal Unemployment | 3. Use of obsolete technology for production |
| D. Disguised Unemployment | 4. Population pressure on land |