A more thorough explanation:

Definition: Mark up is a verb that means to increase the price of goods or services. It can also mean to revise or amend a legislative bill or rule. Additionally, it can refer to placing a legal case on the trial calendar.

Example 1: The store owner decided to mark up the price of the new product by 20% to make a profit.

Example 2: The committee marked up the proposed bill to include additional funding for education.

Example 3: The lawyer requested the court to mark up the case for trial in the next session.

These examples illustrate how mark up can refer to increasing the price of goods or services, revising or amending a legislative bill or rule, or placing a legal case on the trial calendar.