Discuss all the solution with referencesQ1: Analyze the Citibank value Chain.Q2: Explain how e-banking has impacted on the primary and support activities of its value chain.Q3: Explain the tangible and intangible sources that could influence the differentiation strategy of Citibank.Q4: How could IT/e-banking assist an organization/ a bank to achieve a competitive advantage in the marketplace? Explain through the case of Citibank..