3 pts Question 18 All else equal, in primary markets public offerings, which municipal bonds will be more attractive to investors? a Municipal bonds with a firm commitment underwriting b. Municipal bonds with a best effort offering Question 19 3 pts Among these types of mortgage-backed securities, which one does not help the issuer remove their mortgages from the issuer's balance sheet? a. Pass-through mortgage-backed securities b. Collateralized mortgage obligations O Mortgage-backed bonds