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THE FEUTEX TOOLKIT

Perishable Stock Expiry Exposure

Estimate unsold stock at expiry from current stock and an assumed daily sales rate.

Supply Chain workspace● Runs in your browser
01 Your input
02 Your result
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FormulaExpected unsold = Math.max(0,v.stock-v.remaining_days*v.daily_sales) ; Expiry cost = Math.max(0,v.stock-v.remaining_days*v.daily_sales)*(v.unit_cost+v.disposal)
Sources and model references

Worked example

Inputs

Stock
800 items
Remaining days
10 days
Daily sales
60 items/day
Unit cost
4 currency
Disposal
0.5 currency/item

Expected results

Expected unsold
200 items
Expiry cost
900 currency

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Enter your own assumptions using a consistent currency and period.
  2. Review the scenario outputs and compare alternative inputs.
  3. Check the stated model limits before using the result in an operating plan.

Try this example

{
  "stock": 800,
  "remaining_days": 10,
  "daily_sales": 60,
  "unit_cost": 4,
  "disposal": 0.5
}

Accuracy and scope

Deterministic planning scenario; inputs are assumptions, not forecasts. Excludes taxes, financing, legal requirements and costs not explicitly entered. Source explains the underlying planning framework; this specific scenario arithmetic is original.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.