21. Remittances make up Mexico's second-largest source of foreign income , behind only oil. 22. The money these workers send home is the largest source of foreign income in some Central American countries. 23. Tourism is Jamaica's largest source of foreign income , earning 15 percent of gross domestic product. 24. The principal industry is tourism, although the country also earns foreign income from being a tax haven. 25. According to the exemption method, foreign income and resulting taxation is simply disregarded by the residence country. 26. Companies do this because they sometimes have foreign tax credits they cannot use unless they show more foreign income . 27. The losses have cost Mexico about dlrs 450, 000 in precious foreign income , Pemex said last week. 28. The money they send home is Mexico's second-largest source of foreign income , behind oil. 29. Tourism is Jamaica's largest source of foreign income , earning about 15 percent of gross domestic product. 30. After tourism, bananas are the top source of foreign income in this impoverished country of 3.5 million.
