Data Sufficiency (DS) | The chart above shows the call breakdown for the service center of tel

The chart above shows the call breakdown for the service center of telecommunications company X for the 4 year period 1999-2002. What percent of the calls to the service center in 2001 were complaints?

(1) A total of 7680 complaint and recommendation calls were made to the service center, of which complaints outnumbered recommendations 2 to 1.

(2) The number of recommendations for the year 2001 were twice what they were for the
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