In the attachment there is an article from Wall Street Journal. Please read it and answer the following question. The questions should be answered in a paragraph form. So, each answer written below the question.
1. How did Goldman Sachs make more than $1 billion with credit scores?
2. Why do you think Goldman was successful at pushing data mining at TransUnion?
3. Why would Goldman take a firm public three years after buying it?
4. What is private-equity investing and how does it make money?
5. Should the Volcker Rule be rolled back? Why or why not?