Problem
1. Nigeria has a positive trade balance of $10 billion. If it has a negative balance of services of $8 billion, how much is its balance of goods?
2. Algeria has a negative trade balance of $7 billion. If it has a positive balance of goods of $10 billion, how much is its balance of services?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.