Question

what is the use of mark-up ?​

Answer 1

Answer:   Mark up refers to the value that a player adds to the cost price of a product. The value added is called the mark-up. The mark-up added to the cost price usually equals retail price. Markup refers to the cost; margins to the price

Answer 2

Answer:

Markup is specifically used to label parts of the document for what they are, rather than how they should be processed. Well-known systems that provide many such labels include LaTeX, HTML, and XML. The objective is to decouple the structure of the document from any particular treatment or rendition of it.

Explanation:

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