Answer
$R=3021.5~billions~of~dollars$
$|R-E|=484.6~billions~of~dollars$
Work Step by Step
In 2014:
$R=3021.5~billions$ (fourth bar in the graph)
$|R-E|=|3021.5~billions-3506.1~billions|=|-484.6~billions|=-(-484.6~billions)=484.6~billions$
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