When a country devalues its currency

When a country devalues its currency, we expect that?

a. Income will rise because the devaluation stimulates aggregate demand.

b. Income will rise because the devaluation stimulates aggregate supply.

c. Income will fall because the devaluation reduces aggregate demand.

d. Income will fall because the devaluation reduces aggregate supply.

e. There will be no change in income because income is earned from production, not from trade