Add Max Calculation

[johannesq23]

PR Title

Issue Number(s): #number_of_issue.

What does this PR change and why?

Checklist

• Requirements have been implemented
• Acceptance criteria are met
• Database schema docs have been updated or are not necessary
• Code follows design and style guidelines
• Commits follow guidelines (concise, squashed, etc)
• Relevant reviewers (Senior Dev/EM/Designers) have been assigned to this PR

Critical Changes

• Database change/migration to run
• Environment config change
• Breaking API change

Related PRs

• #number_of_pr

Testing

Enumerate steps to test the functionality of your ticket. This should include edge cases and testing of error handling, if applicable.

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