{"blocks": [{"key": "82ed20e1", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "081844b3", "text": "Enterprise collaboration product “Share Workplace” is considering a freemium + subscription business model.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "fd83089d", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c554f6dc", "text": "Size the annual revenue opportunity for the paid tier three years after launch. Given separate ARPU assumptions for paid and free cohorts, calculate total and cohort-level contribution margins. If marketing spend increases by 20 %, estimate its impact on subscriber count and profitability; state the assumptions you need.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "16c6b888", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c54fff7d", "text": "Structure the funnel (site visits → sign-ups → active → paid), keep unit economics visible, show step-by-step math clearly.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}