Section 2: Indicate the correct answer: A, B, C or D (each answer is worth 10%) 4. The aluminum producer Alcoa has a competitive advantage through access to: A. foreign mines on multiple continents B. lower-cost bauxite mines in the United States C. key aluminum mines globally D. supply chain privileges. 5. The differentiation approach can increase production costs if: A. R and D is needed B. Innovation is needed C. A and B D. None of the above 6. A cost leader can achieve a competitive advantage as long as its economic value created (V- C) is greater than A. it's previous quarterly performance B. the industry average C. that of its competitors D. all of the above