Answer:
The correct answer is option a.
Step-by-step explanation:
Country A sells $100 million worth of goods and services to country B. This is exports for country A.
Country B sells $50 million worth of goods to country A. This is imports of country A.
Net exports are the difference between exports and imports.
Net exports for country A
= Exports - Imports
= $100 million - $50 million
= $50 million
Country A sells $100 million worth of goods and services to country B. This is imports for country B.
Country B sells $50 million worth of goods to country A. This is exports for country B.
Net exports for country B
= Exports - Imports
= $50 million - $100 million
= - $50 million