PricingJurisdiction and sources
Identify the provider, contract and applicable authority before relying on a rule. Jurisdiction-labelled official guidance helps distinguish background explanation from locally relevant requirements.
A precise calculator result can still depend on incomplete inputs
Free- Arithmetic can be internally correct while using an amount, fee or schedule that differs from the offer.
- Show assumptions and compare them with the documents before interpreting the result.
Equal totals do not erase different payment timing
Free- Two schedules may add to similar amounts while requiring money on different dates.
- Keep the dated cash-flow view beside the cost comparison.
Comparing unlike amounts can produce a false saving
Free- An apparently cheaper offer can provide less usable money or cover a different purchase.
- State the common basis and identify where it cannot be matched.