Luckin coffee account fraud

Please go to internet to make some researches, then respond to following questions.

1.How have credit rating agencies reacted to the controversy?

2.What is the latest rating for Luckin Coffee’s senior unsecured debt?

3.What are the latest rating outlooks and what can lead to further downgrade?

4.How would you apply S&P’s Fundamental Probability of Default / Management and

5.Governance Credit Factors to assess Luckin Coffee in March 2019? Explain your rationale for the assessment.