Identify and explain the core competencies of the firm where you are currently employed or a firm where you have been employed in the past.or a firm that you have knowledge about. Also explain these competencies in light of those of the competition and if the competencies are valuable rare costly to imitate and non-substitutable hence leading to a more sustainable competitive advantage. During your discussion please include the role of organizational culture as a source of strategic competitiveness.Why are merger and acquisition strategies popular in many firms competing in the global economy?