Which of the following statements about price fixing is true?

A. Price fixing frequently occurs between oil and gasoline companies resulting in large fines to these companies
B. Price fixing is legally permissible in volatile industries like oil, energy, and fruits and vegetables
C. Price fixing occurs when competitors band together to artificially set the price of their product at a level that benefits all parties
D. Price fixing is illegal under the Competition Act, but the Competition Bureau has never been able to successfully prosecute firms for this type of illegal behaviour