GMAT Critical Reasoning (CR) | Re: Manufacturing plants in Arundia have recently been acquired in

The argument largely asks not how the judges decision is wrong, but the premise on which the decision is based is wrong.
The premise relates to opportunistic investment by Foreign investors to earn more profits (implied in argument) out of a devalued currency. Option E is correct in this context, since it negates the judges' premise by saying profits of foreign investors actually fall, and thus they do not benefit out of investing
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