Identify the correct pair as given in Column B by matching them with respective concepts in Column A:

Column A:

(1) Reduction in the value of (a) Devaluation domestic currency by the government

(2) Reduction in the value (b) Appreciation of domestic currency through market forces

(3) Increase in the value of (c) Depreciation domestic currency by the government

(4) Increase in the value (d) Revaluation of domestic currency through market forces

Column B

(a) Devaluation 

(b) Appreciation

(c) Depreciation

(d) Revaluation