It does not have to be a long answer just anything would help! Thank you so much!

application questions & exercises 1. Research Amazon. How has this firm been able to combine overall cost leadership and differentiation strategies? 2. Choose a firm with which you are familiar in your local business community. Is the firm successful in following one or more) generic strategies? Why or why not? What do you think are some of the challenges it faces in implementing these strategies in an effective manner? 3. Think of a firm that has attained a differentiation focus or cost focus strategy. Are its advantages sustainable? Why? Why not? (Hint: Consider its position vis--vis Porter's five forces) 4. Think of a firm that successfully achieved a combination overall cost leadership and differentiation strategy. What can be learned from this example? Are the advantages sustainable? Why? Why not? (Hint: Consider its competitive position vis--vis Porter's five forces.)