A、whAt ArE thE DiFFErEnCEs BEtwEEn mArkEting AnD Cost-EFFECtivE puBliCity
B、CoulD you sAy somEthing on thE suBjECt oF Cost-EFFECtivE puBliCity
C、how muCh will thE ConFErEnCE on mArkEting AnD sAlEs Cost us
D、whEn will thE suBjECt oF thE 50-minutE ConFErEnCE BE puBliCizED