This use of market research allows for businesses to evaluate the results of the advertising.

identify threats and investigate the competition.
identify value.
identify if customer needs are being met.
identify if communications are effective.

The correct option is the third one.

Explanation:

Market research is an invaluable tool for companies to see how they are placed on the market and in the eyes of their costumers. By doing so they can see if their products are satisfying the needs of the costumers and depending on the results of the research act accordingly. They may change their products or make them better to be more appealing to the costumers.

b. florence

d. milan