From the case  "Starbucks Is Juicing its Earnings per Store Through Technological Innovations"  respond to the following questions, Provide detail answer and use scholarly references. 

1. What competitive advantage or competitive advantages do you believe Starbucks seeks to establish? What are the main challenges the firm faces as it tries to maintain the advantage or advantages you identified?

2. Identify three or four capabilities you believe Starbucks possesses. Of these, are any a core competence? If so, explain your reasoning.

3. Starbucks's mission is "To inspire and nurture the human spirit—one person, one cup and one neighborhood at a time." What actions do you recommend the firm take to reach this mission?

4. As Starbucks's new chief executive officer and strategic leader, what key challenges does Kevin Johnson and his firm face?