32. In the United States, collusive arrangements are difficult to accomplish and maintain for long periods because

Group of answer choices

a. Of the existence of antitrust laws.

b. Most United States industries are perfect competitive.

c. Most large firms already have monopoly privileges by government franchise.

d. Of the inability of colluding firms to estimate relevant demand and cost conditions.

e. Of the need to include firms from all over the world in any collusive arrangements.