4. Bonus Extra-Credit Question. This question is focused on the topic identified by McGuigan in Chapter 10 as "Competitive Strategy". You can also refer to the November 13th Toland PowerPoint file focused on Chapter 10.~ a. How does McGuigan define Competitive Strategy? How does McGuigan view the contribution of Competitive Strategy to a firm's overall business strategy process?- b. McGuigan recommends that a competitive strategy be based on a firm's core competencies. ~ . What is a core competency, and what three elements does McGuigan argue are key elements for creating a core competency? ~ . What are examples of real world companies that successfully built core competencies by focusing on the three key elements? - . If you are currently part of an organization or business, what do you believe are your organization's core competencies? Explain your reasoning. Thanks.~ c. What are the essential aspects of the Product Differentiation Strategy, the Cost-Based Strategy and the Information Technology Strategy as examples of competitive strategies that utilize sustainable competitive advantages based on core competencies