Which of the following statements goes against Porter's 5 forces model?
A) Industry profitability is largely determined by the 5 forces
B) Firms can manipulate the 5 forces to their advantage
C) Which of the forces is most important depends on which company in the industry you are considering
D) Government regulation is not part of the 5 forces
E) Firms need to careful balance the 5 forces to determine their threats and opportunities