As a client, you are approaching an ad agency for the purpose of designing and implementing a discount offer for the month of ramadan. Which department of the ad agency will assist you in this task. a. Sales promotion department Ob. Interactive media department c. Media department d. Research department Choose the incorrect statement for a communication barrier. O a. Communication barriers lead to effective communication b. Communication barriers are disturbances and interferences in normal communication c. Communication barriers may be physical or psychological Od. Communication barriers lead to ineffective communication Advertising through local cable stations means. a. Direct mail advertising to a group of customers b. TV advertising through a local operator c. Radio advertising over an all-news station Od. Outdoor and transit display advertising on a screen