How to get attribute like functionality for Accounts?

Summary:

In a planning cube (BSO) how do I get attribute like functionality to use in Reports for the accounts dimension? Since Account is always mostly dense and we cannot have attributes for dense dimensions, what are my options if I want to create reports based on attributes like functionality for accounts?

Content (required):

In the picture how can I report on Direct Expenses and Indirect Expenses to go with the normal account hiearchies?

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

21.12

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