Tata Consultancy Services (North America)MediumMetrics00:00

Welcome to your interview for the Marketing Analytics Specialist role at Tata Consultancy Services (North America).
The question is on your right: Multi-Channel ROI Measurement. Take a moment with it first.
Talk your thinking through with me if you like - when you're confident, submit your answer and I'll grade it like a real screen. You have three graded attempts to score 7/10 or better.
How do you measure the ROI of a multi-channel marketing campaign at Tata Consultancy Services (North America)?