Which of the following statements about the Five Forces model is NOT true? Responses A The industry must be clearly defined to effectively use the model.The industry must be clearly defined to effectively use the model. B Switching costs are used to determine the power of several forces in the model.Switching costs are used to determine the power of several forces in the model. C Substitutes must belong to the industry being assessed.Substitutes must belong to the industry being assessed. D The model identifies several stakeholders of the firm