Very technical products and very expensive products often need so the customer understands how the product operates and its different features.

The correct answer to the following question is Professional selling.

Explanation:

If a company is selling very technical and expensive products, then it needs to use professional selling because customers are not familiar with these type of products, they don't have a high involvement in such products, so therefore by using professional selling , a company would be able to solve the customers queries and problems about the product, they would be able explain proper functioning of the product, fulfilling their needs, and getting customers what they want .

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