Question

The bar graph in the following graphic represents fictional net exports in billions of dollars for five countries. Net exports are obtained by subtracting total imports from total exports; a negative net export means the country imported more goods than it exported

https://media.education2020.com/evresources/4072-02-01-02-00_files/i0130000.jpg

Estimate the net amount of exports for Spain.
a.
10 billion dollars
c.
-20 billion dollars
b.
30 billion dollars
d.
20 billion dollars