Match List I with List II and select the correct answer using the codes given below the Lists:
| List I | List II |
|---|---|
| I. Boom | A) Business activity at high level with increasing income, output and employment at macro level |
| II. Recession | B) Gradual fall of income, output and employment with business activity in a low gear |
| III. Depression | C) Unprecedented level of under employment and unemployment, drastic fall in income, output and employment |
| IV. Recovery | D) Steady rise in the general level of prices, income, output and employment |
Codes: