Answer :
A country that is experiencing a trade surplus is a country with $500 million in exports and $400 million in imports.
What is trade surplus?
Trade surplus refers to the positive balance of trade where a country's exports exceed its imports.
The country that is experiencing a trade deficit is a country with $500 million in exports and $400 million in imports.
Therefore, C is the correct option.
Learn more about Trade surplus here:
https://brainly.com/question/17717899
#SPJ1