What percent of central american income comes from its exports?
a) 10%
b) 90%
c) 75%
d) 50%
e) 30%

He's WRONG

The answer is 50%.

SOS:  Approximately one-half the income in Central America comes from its exports. Half of this trade is with the U.S. and Canada; other trading partners include Europe, Mexico, and South America. The Panama Canal is very important for trade within the region.