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Business & eCommerceGenerated accuracy model review: 2026-05-06
Commission Calculator accuracy and testing
This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.
Formula source
- **Commission = Sale Price × (Rate / 100)** **Net to Seller = Sale Price - Commission**
Test cases
Default input regression check
Generated from the checked-in default inputs and calculate function.
Inputs
- Sale Price: $350,000
- Commission Rate: 6%
Expected outputs
- Commission: $21,000.00
- Net to Seller: $329,000.00
Known limitations
- Calculates a flat percentage. Does not handle tiered or sliding scale commission structures.
Assumptions
- This calculator applies one flat commission percentage to the entire sale amount.
- It does not include taxes, closing costs, broker splits, or tiered payout schedules unless you bake them into the rate manually.
- Negative sale prices or negative commission percentages are treated as invalid.
Unit handling
- Sale Price accepts values in $.
- Commission Rate accepts values in %.
- Commission is displayed as currency.
- Net to Seller is displayed as currency.
Rounding rules
- Number displays use up to 2 decimal places in the calculator UI.
- Currency outputs are displayed with standard US dollar formatting.
Version history
1.0.0 - 2026-05-06
Generated accuracy and testing page from the current commission-calculator calculator definition.
Change log
2026-05-06
Published default regression test documentation and metadata fallbacks for Commission Calculator.
Calculator transparency
Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.