$npx -y skills add AgriciDaniel/claude-ads --skill ads-mathCalculate and model paid-media CPA, CPL, CPC, CPM, ROAS, MER, break-even targets, contribution margin, LTV:CAC, impression-share opportunity, budgets, forecasts, and experiment economics. Use for PPC math, ad calculator, break-even analysis, ROAS calculator, CPA calculator, budge
| 1 | # Paid Media Financial Model |
| 2 | |
| 3 | 1. Identify the decision and collect units, currency, period, tax/refund treatment, |
| 4 | margin, attribution basis, and uncertainty. |
| 5 | 2. Show the formula and map every input to an operator value or cited artifact. |
| 6 | 3. Validate denominators, sign, missing values, incompatible windows, and unit |
| 7 | conversions. |
| 8 | 4. Calculate base, downside, and upside cases where uncertainty affects the decision. |
| 9 | 5. Keep platform-attributed revenue, blended business revenue, cash flow, and |
| 10 | contribution margin distinct. |
| 11 | 6. Return machine-readable inputs, formulas, outputs, sensitivities, and decision |
| 12 | implications. |
| 13 | |
| 14 | Never fabricate missing financial inputs, hide division-by-zero, or present a point |
| 15 | forecast without its assumptions. |