Build a data-driven framework to measure and optimize marketing ROI across all channels.
Create a comprehensive marketing ROI analysis framework for [Company Type] with [Monthly Marketing Budget]. Include: 1. Channel-by-channel ROI calculation formulas 2. Attribution model recommendations (first-touch, last-touch, linear, time-decay) 3. KPI dashboard template with metrics for each channel: - Paid search - Social media - Email marketing - Content/SEO - Events 4. Data collection requirements 5. Reporting cadence and stakeholder reports 6. Benchmarks by industry 7. Optimization decision triggers 8. Tools and integrations needed Make it practical and implementable within 30 days.