Which of the following is true ? Select one : a . Investment bankers earn a spread based on the success of their placements when they underwrite using a best - efforts basis. b . Investment bankers...

Which of the following is true ? Select one : a . Investment bankers earn a spread based on the success of their placements when they underwrite using a best - efforts basis. b . Investment bankers earn fees based on the success of their placement when they underwrite using firm - commitment basis. c . With best - efforts underwriting, Investment bankers actos principais because they purchase securities from the issuer and sell them at a higher price, d. An investment banker is acting as principais when a firm - commitment offering of securities . e . Answers B and C only .