11. Prahalad and Hamel argue that the capacity to open up new product markets requires distinctive core competencies, coupled with methods of corporate organization and evaluation that explicitly recognize the importance of these competencies. Which of the following is not true of core competencies? a) Contribute to more than one core product, and to more than one business unit. b) Suggests that large and multidivisional rms should be viewed as a collection of strategic business units. c) Require focus: companies are likely to lead in more than ve or six core competencies. d) Are supported by organizational competencies such communication, involvement, and a commitment to working across organisational boundaries