{"name":"cac_ltv","title":"CAC, LTV & Payback Calculator","category":"startup","description":"Customer acquisition cost, lifetime value, LTV:CAC ratio and payback months.","price_usd":0.002,"input_schema":{"type":"object","properties":{"marketing_spend":{"type":"number","description":"Total sales+marketing spend in the period, USD"},"new_customers":{"type":"number","description":"New customers acquired in the period"},"arpu_monthly":{"type":"number","description":"Average monthly revenue per customer, USD"},"gross_margin_pct":{"type":"number","description":"Gross margin percent on that revenue (default 100)"},"monthly_churn_pct":{"type":"number","description":"Monthly logo/revenue churn percent"}},"additionalProperties":false,"required":["new_customers"]}}