Answer:
Allows ads to be placed quickly
Step-by-step explanation:
Advertisement are paid messages used to pass information across to a target audience in order to influence them concerning a particular situation.It use media like television , radio , internet , bill boards ,journals press etc for this purpose.
Radio advertisement entails buying for commercials or spots from radio station for the purpose of advertisement.The lead time for processing a radio advert is relatively short compared to others like prints and television ads.