How this calculation works
Measure how a percentage discount changes profit after proportional fees.
Worked starting inputs
Example inputs: Price = 80.0, Cost = 36.0, Discount Pct = 15.0, Fee Pct = 10.0. Expected result: Sale price: $68.00, Profit before: $36.00. These are illustrative numbers, not market rates. Change a value to compare scenarios; download the result if useful.
Assumptions and limitations
Manual estimates depend on your data and assumptions.
Every result depends on the entered values. The tool does not fetch marketplace fees, infer current exchange rates or verify supplier policies. It is informational, not tax or financial advice.