How to create Salary Basis with 6 fixed components and 4 optional Components?

Summary:

We have a requirement Salary Basis Should have 6 fixed components and 4 optional Components

Content (required):

We have a requirement Salary Basis Should have 6 fixed components and 4 optional Components

Six Components are applicable for all employees and optional components HR Admin will select and add to employee.

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Code Snippet (add any code snippets that support your topic, if applicable):