SAT Data - Graphs and Charts

The graph above shows the cost of manufacturing of two products, A and B, per year. In which year was the difference in the cost of manufacturing the two products the greatest?

(A) $$\ \ 2001$$
(B) $$\ \ 2002$$
(C) $$\ \ 2003$$
(D) $$\ \ 2007$$
(E) $$\ \ 2008$$

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