Analysis / Procurement and spend

Compare prices paid for equivalent purchased items

Normalize units and currency to compare prices for equivalent purchased items, separating volume tiers, specification differences and delivery costs.

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Your starting prompt.

Use [purchase line exports] to compare prices for [equivalent items] across suppliers and business units during [period]. Normalize units and currency, then calculate weighted average prices, dispersion and outlier lines. Separate delivery charges, volume tiers and specification differences. Prepare a negotiation evidence table with defensible comparison groups; do not present the lowest observed unit price as achievable savings for every purchase.

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Method and review

Keep the assumptions visible.

Normalize suppliers, units, currencies and purchasing periods. Separate recurring commitments, one-off purchases and contract assumptions before proposing savings.

For this task, check

Unit price comparisons require equivalent specifications, quantities and commercial terms.

This starting prompt has no published worked example yet. Begin with a small sample and check the calculations before relying on the result.

Before you begin

Bring exports you are allowed to upload, or data your Workspace can already query.
Choose the reporting period and agree what each record represents.

Work with permitted files or queryable data. Verify the result against the original records.

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