Match the concepts in column A with their respective descriptions in column B.
| Column A | Column B |
| a. Devaluation | 1. decline in the market rate of exchange |
| b. Depreciation | 2. contraction of home currency |
| c. Deflation | 3. foreign exchange rationing |
| d. Exchange control | 4. contraction of imports |
| 5. official reduction in external value of the currency |
a-5, b-1, c-2, d-3
a-2, b-3, c-4, d-1
a-2, b-1, c-4, d-3
a-5, b-3, c-2, d-1