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ads-math

Calculate advertising costs, revenue relative to ad spend, break-even targets, and budget forecasts. The skill makes inputs and formulas explicit, checks inconsistent data, and compares base, downside, and upside scenarios when uncertainty affects the decision.

OriginalShow the original description

Calculate 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, budget forecast, LTV CAC, or MER.

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Good for

  • Calculating advertising acquisition costs and returns
  • Setting break-even targets for advertising
  • Comparing budget and revenue forecasts across scenarios
  • Comparing customer lifetime value with acquisition cost

Files included (1)

  • SKILL.md1.1 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

Paid Media Financial Model

  1. Identify the decision and collect units, currency, period, tax/refund treatment, margin, attribution basis, and uncertainty.
  2. Show the formula and map every input to an operator value or cited artifact.
  3. Validate denominators, sign, missing values, incompatible windows, and unit conversions.
  4. Calculate base, downside, and upside cases where uncertainty affects the decision.
  5. Keep platform-attributed revenue, blended business revenue, cash flow, and contribution margin distinct.
  6. Return machine-readable inputs, formulas, outputs, sensitivities, and decision implications.

Never fabricate missing financial inputs, hide division-by-zero, or present a point forecast without its assumptions.

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