What is the capital market? How is the primary market different from the secondary market? In your opinion, are these markets efficient? Why?What are three primary roles of the U.S. Securities and Exchange Commission (SEC)? How does the Sarbanes-Oxley Act of 2002 augment the SEC’s role in managing financial governance? Do you think businesses became more ethical after Sarbanes-Oxley was passed? Provide examples to support your answer.What ratios measure a corporation’s liquidity? What are some problems associated with using such ratios? How would the DuPont analysis overcome these problems?