PPC Financial Calculator & Modeling <!-- Created: 2026-04-13 | v1.5 -- <!-- Source: itallstartedwithaidea/google-ads-skills (PPC math concept) -- Process 1. Ask the user what calculation they need (or detect from context) 2. Collect required inputs (from pasted data, exports, or verbal description) 3. Perform calculations with clear formulas shown 4. Present results with interpretation and recommendations 5. Flag any concerning metrics or benchmarks Calculators 1. CPA Calculator 2. ROAS Calculator 3. Break-Even Analysis 4. Impression Share Opportunity 5. Budget Forecasting 6. LTV:CAC Ratio 7.…