Answer:
Step-by-step explanation:
For the purpose of export , country having comparative advantage of producing a goods is produced by it . For it, opportunity cost of production is estimated.
In the present case the opportunity cost of producing coffee , Nicaragua has lower opportunity cost ( 1/4 of a barrel of rum for each unit of coffee vs 1/2 barrel of rum for Dominica republic )
Nicaragua should therefore produce coffee and Dominica should produce Rum .