Refactor following minimal fees

[Thykof]

Delivery Quality Checklist

• [ ] Breaking Changes in API: Does this PR introduce breaking changes in the API?

  • If yes, have you considered making it backward compatible?
  • If backward compatibility is not considered, set the "breaking-change" label.

• [ ] Changelog:

  • [ ] For bugfix PR, set the "bugfix" label
  • [ ] If this change should not appear in changelog, use "ignore-for-changelog" label

• [ ] Version Update Handling: Have you ensured that the version update by user is handled correctly?

• [ ] PR Dependency: Does this PR depend on another PR?

  • If yes, is it necessary for the dependency to be released prior to merging this one?

• [ ] Documentation:

  • [ ] Are any necessary changes made to user-facing documentation?
  • [ ] Confirm that API documentation is updated with any relevant changes.
  • [ ] Check that README and other documentation files are accurate and current.