In your report, please clearly indicate the questions you are addressing.1. What is Costco’s business model? Is the company’s business model appealing? Why or Why not?2. What are the chief elements of Costco’s Strategy? How good is the strategy?3. Do you think Jim Sinegal was an effective CEO? What grade would you give him in leading the process of crafting and executing Costco’s strategy? How well is Craig Jelinek performing as Sinegal’s successor; what grade would you give him so far in leading the process of crafting and executing strategy? What support can you offer for these grades?