According to the Elasticities Approach to the Balance of Payments

According to the elasticities approach to the balance of payments, a devaluation of the domestic currency leads to an improvement in the balance of payments if:

A) the demand for exports is elastic while the demand for imports is inelastic
B) the demand for exports is inelastic while the demand for imports is elastic
C) the sum of elasticities of the demand for exports and imports is greater than one
D) the individual elasticities of the demand for exports and imports are greater than one