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Indirect tax rates/product matrix for e-commerce catalog

Builds a product taxability matrix and rate logic inputs for an e-commerce catalog. Useful for integrating tax engines and reducing customer-facing errors.

Create an indirect tax product matrix for {business_name}.

Inputs:
- Product catalog and descriptions: {product_catalog}
- Jurisdictions served: {jurisdictions}
- Current tax engine/ERP setup: {current_system}
- Known exemptions (e.g., food/medical): {known_exemptions}

Output:
1) Product taxability classification table by jurisdiction and product category.
2) Required product attributes to capture (e.g., ingredients, intended use).
3) Recommendations for tax engine configuration inputs.
4) QA test cases (sample orders) to validate calculation logic.

Keep it implementable for finance + engineering.

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