Gary's Gas and Frank's Fuel Are the Only Two Providers

Gary's Gas and Frank's Fuel are the only two providers of gasoline in their small town.Gary and Frank decide to form a cartel to raise the price of gasoline.The total industry profits are highest when ________, and Gary's profits are highest when _.

A) neither firm cheats on the agreement; neither firm cheats on the agreement
B) neither firm cheats on the agreement; Gary cheats on the agreement and Frank does not cheat
C) both firms cheat on the agreement; Gary cheats on the agreement and Frank does not cheat
D) both Gary and Frank cheat on the agreement; both Gary and Frank cheat on the agreement