A country has a trade surplus of $20 billion with its trading partners over a
year. Which change would cause the country to have a trade deficit the
following year, assuming everything else remains the same?
A. The country increases its exports by $30 billion.
OB. The country decreases its imports by $10 billion.
OC. The country decreases its exports by $30 billion.
D. The country increases its imports by $10 billion.