When Sally sees an ad in a newspaper about a particular product, goes to the store, reviews the actual product offer in the store, rejects the product, and tells the salesperson why she did not buy the product, she is providing in the communications model established by the store.

Feedback

Explanation:

Whenever sally looks at an ad in the newspaper about any particular product, she is going to the market to actually review that product  and give her personal opinion regarding that. Actually she is not buying the product but just giving a personal feedback, which can be quiet helpful for the product owner.

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feedback

Explanation:Feedback refers to the response or reaction of receiver to the sender's message. ... When messages reach to the receiver, he decodes the message and sends his response to the sender to complete the communication process. Feedback enables the sender to evaluate the effectiveness of his message.

In the case of inter- personal communication, only sending of message by the sender to the receiver is not enough.

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