Answer
$R=2450.0~billions~of~dollars$
$|R-E|=1087.0~billions~of~dollars$
Work Step by Step
In 2012:
$R=2450.0~billions$ (third bar in the graph)
$|R-E|=|2450.0~billions-3537.0~billions|=|-1087.0~billions|=-(-1087.0~billions)=1087.0~billions$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.