Answer and explanation:
Sender: Target creates a Back-to-School Campaign
Transmitter Encodes: Advertising agency creates print ad
Communication Channel: Ad runs on local Sunday newspaper
Receiver Decodes: Melissa buys the paper and plans to go shopping for her children's supplies
Feedback: Store traffic increases
Target is the maker of the Campaign and intends to create an advertisement to communicate its offering hence it is the Sender. The Advertising agency, upon Target’s intentions, create the print ad, hence encodes the same as Transmitter. The channel of communication so chosen is that of the Newspaper hence ad runs on Sunday newspaper. The receiver is the target audience, here, Melissa who decodes and acts upon the same by going for shopping for her children’s supplies. The feedback is given by way of increase in Store traffic by the Target audience.