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Instructions
- The statement of the problem is here: https://www.mipwise.com/use-cases/projeans.
- You can't edit this Google Sheet, but you can go to File > Make a copy or File > Download to have a copy of it.
- You should ONLY modify the values highlighted under Order Quantity.
- If the cell turns pink, the value you entered violates the minimum or maximum order quantity.
- Your goal is to reduce the total cost (Cell G16).
- Make sure that you meet the demand exactly, which is the case when there are zeros under Deficit and Surplus.
- If you have any questions or comments, reach out to us: https://www.mipwise.com/contact.

OBS: We don't advise anyone to use this spreadsheet to make actual business decisions as it was created to run a simple experiment and may contain errors.

Insights about this experiement can be found here: https://www.mipwise.com/blogs/solving-a-sourcing-problem-with-spreadsheets.
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SKU IDSupplier IDOrder QuantityMin Order QuantityMax Order QuantityTotal Cost
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1B4,0001,0007,00019,460.00
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1E3,5001,5008,00020,405.00
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1M4,5001,0008,50027,045.00
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2B2,5001,5005,50013,500.00
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2E1,5001,0005,0009,750.00
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2M2,0005004,50013,265.00
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Supplier IDSkus - Quantities
Procurement Cost
Number of Containers
Shipping Cost per Container
Total Shipping Cost
Total Cost
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B6,50032,960.0034,650.0013,950.0046,910.00
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E5,00030,155.0037,950.0023,850.0054,005.00
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M6,50040,310.0033,350.0010,050.0050,360.00Optimal Cost*Unlocked Saving**Solution Time
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Totals18,000103,425.009151,275.00125,590.0016.98%0.16 seconds165445.64
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* This value is only valid for the original input data. If you edit the data in any of the input tables, such as price_tiers, the optimal solution may change and the optimal cost will not automatically update here.
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SKU IDDemandQuantitiesDeficitSurplus
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112,00012,00000** The Unlocked Saving percentage indicates how far the current solution is from the optimal solution (with the original data). For example, if the Unlocked Saving is 14.47%, it means that there is a better solution that will save you $21,255 in total cost.
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26,0006,00000
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