SUPPLY CHAIN MANAGEMENT - COMPANION FILES
julianrsterling.com/supplychain

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Revised 24 September 2026.

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WHAT IS IN THE ARCHIVE

1. The book's four workbooks, rechecked
   ..._Workbook_1_Demand_Lead_Time_and_Variance.xlsx     Chapters 1 to 5 (9 checks)
   ..._Workbook_2_Service_Levels_and_the_Money.xlsx       Chapters 6 to 11 (88 checks)
   ..._Workbook_3_The_Reliability_Lever.xlsx              Chapters 12 and 13 (52 checks)
   ..._Workbook_4_Pooling_Bias_and_the_Holding_Rate.xlsx  Chapters 14 and 15 (54 checks)
   00_START_HERE.md    what each workbook does; what was rechecked is at the end
   Every figure was recomputed independently and holds. The workbooks are
   unchanged. Two sentences of the book were corrected (chapters 11 and 13).

2. Blank_Model_Set/  (new)
   The four workbooks with every blue input emptied, and a Checks sheet that
   counts what is missing and tests what holds for any inputs. The sensitivity
   axes are kept. The book's inputs are in book_inputs.txt.

3. Working_Documents.pdf  (new)
   Twelve printable pages: the agreed list, the holding rate, lead time from
   receipts, the variance split, the service level translation table, the total
   cost test, the optimum, the supplier regularity case, the regularity clause,
   the network test, the bias control, and the Monday plan with the assumptions
   register. A4, fits Letter.

4. Forty_Questions.xlsx  (new)
   Forty questions across the book and the workbooks, marked by the file.

5. Cases/  (new)
   Case_1_The_Four_Depots_On_Both_Legs.xlsx               Chapter 14
   Case_2_The_Batch_And_The_Service_Level_Together.xlsx   Chapter 11
   Case_3_The_Premium_Carried_Into_The_Stock.xlsx         Chapter 13
   Each case: the note on the first sheet, the model after it, checks at the end.
   Figures the book does not give are marked ADDED.

Aldermere Filtration and AF-7 are fictional. The files open in Excel, LibreOffice
Calc, Google Sheets and Numbers. No macros, no external links. Illustrative
models, not advice.
