Address the following three questions. Be sure to number each answer within the paper to identify the exact question that is being answered. Make a case for three companies that you believe have true "core competencies." In other words, identify three companies that you believe have tangible or intangible resources that are valuable, rare, can't be imitated, and can't be substituted. Fully justify your selections. Explain how have these specific resources allowed the companies to achieve a competitive advantage. Identify two companies that you believe have successfully implemented cost leadership strategies. How have they been able to accomplish these strategies? Do you think they will be able to continue them successfully long-term? Identify two companies that have attempted to differentiate their products or services. On what basis have they tried to be different? Provide examples of how they have attempted to create their perceptions of uniqueness. Are the differences purely perceived, or are they real