An economist has argued that consumers often benefit when government permits ... ...

An economist has argued that consumers often benefit when government permits a corporation to obtain a monopoly. Without competition, a corporation can raise prices without spending nearly as much on advertising. The corporation can then invest the extra money in expensive research or industrial infrastructure that it could not otherwise afford, passing the fruits of these investments on to consumers. Which one of the following, if true, most strengthens the economist’s argument?
(A) The benefits to consumers are typically greater if a corporation invests in expensive research or industrial infrastructure than if that corporation spends the same amount of money in any other way.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Oct 2012 LSAT (PT67): Logical Reasoning B