Please help on this questions:do provide references and citations.

Case Study titled 'AirAsia: Flying Low-Cost with High Hopes', and answer all the following questions.(Provide some references and citations) 1. Briefly describe the trends in the global airline industry. 2. Comment on the business-level strategy adopted by AirAsia. How has AirAsia achieved cost leadership or differentiation? 3. Referring to Porter's model ofthe five forces of competition, is the above strategy suitable for AirAsia to achieve a better position in the industry? What are the risks of using the strategy? 4. Identify the ways AirAsia can sustain its competitiveness through the business level strategy it has adopted