Your question is Calculated Columns vs DAX Measures. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You're building a Power BI report and need to decide whether a business metric should be computed once in the data model or calculated dynamically in the visual context. You want the metric design to support both consistent reporting and flexible analysis.
Explain the difference between calculated columns and measures in DAX, and when you would use each.