Whether to use Scenario or Version dimension for Budget types

Summary:

There is a client scenario where budget needs to be prepared on same code combination based on actual data and new initiatives separately. Which dimension (either scenario or version) would be more suitable (advantage over the other) to incorporate original budget at one member and additional budget from new initiatives at sibling member to get total on parent member.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

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