Your question is Reallocating Budget Through Analytics. 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).
Tell me about a time your analysis directly changed a major marketing budget allocation. Walk me through how you evaluated campaign performance and ROI, how you presented the recommendation to stakeholders, and what happened after the budget was moved.