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W0lf93
The correct answer should be innovation. They are being innovative and trying to create something that no one has done before and attract the customers using this technique. This is quite common in the business world and is often better than just plainly advertising old things. That's why restaurants like McDonald's or KFC always have some brand new never before seen menu items. People go and buy them to try them.

It should be noted that when a restaurant creates a new type of sandwich is , they are using Innovation as a method of competition.

What is Innovation?

Innovation serves as the practical implementation of ideas which brings about new goods or services.

With innovation improvement in offering goods or services can be gotten and this help in competitive environment.

Learn more about innovation at;

https://brainly.com/question/6463555