The US Government Withdrew Its Antitrust Case Against IBM in 1982

Multiple Choice

The U.S. government withdrew its antitrust case against IBM in 1982 because

A) the per se standard did not apply to the case.
B) IBM agreed to cooperate.
C) there was no proof that IBM's mainframe computer profits cross-subsidized its personal computer activity.
D) the Supreme Court redefined the rule of reason to make it more difficult to prove guilt.
E) competition in computer markets increased rapidly after the case began.