Concept:A weaker currency makes a country’s exports cheaper in foreign markets, which can increase export earnings.
Explanation:When a country devalues its currency, its goods become less expensive for foreign buyers.
This increases the demand for those exports.
Higher export volume can lead to higher total export earnings, even though each unit earns less in domestic currency.
Currency appreciation, on the other hand, makes exports more expensive and reduces competitiveness.
Increasing import duty does not directly increase export earnings.
Thus, devaluation is the correct policy to boost export earnings.
Answer:C. devalues her currency