In a typical underwriting arrangement, the investment-banking firm I) sells shares to the public via an underwriting syndicate. II) purchases the securities from the issuing company. III) assumes the full risk that the shares may not be sold at the offering price. IV) agrees to help the firm sell the issue to the public but does not actually purchase the securities. Group of answer choices II and III I and II I and IV I, II, and III I, III, and IV