How to define project and task level budget separately for sponsored projects?

Summary:

Please note that our client's requirement is that the task level budget should not rollup to the project level budget.

Content (please ensure you mask any confidential information):

Users want to define project level budget separately and that the task level budget should be less than project level budget.

So, is there a way where we can define project level budget separately and that project level budget is equal to or more than task level individual budgets.

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