Differences

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--- issuing_goods:stock_control_methods [2025/07/31 06:38] – [First stocktake record] Mark Glover
+++ issuing_goods:stock_control_methods [2025/07/31 06:54] (current) – [The Hide Internal Column Checkbox] Mark Glover
@@ Line 291: / Line 291: @@
 The **Our SOH** column is the stock on hand in our own store, while figures in all subsequent columns are the customer's data.
-The first entry to be made is in the // Days to supply // field, where the appropriate figure should be entered - e.g. 30 if the ordering frequency is monthly, 90 if it is quarterly, etc.
+The first entry to be made is in the **Days to supply** field, where the appropriate figure should be entered.  <WRAP center round alert 60%>
+Be careful, **Days to supply** is //not// just the order cycle.  It needs to //include// provision for lead time, and buffer stock as well - refer [[purchasing:ordering_from_suppliers#calculate_required_stock_quantity|Calculate required stock quantity]] for the theory.  So, if:
+  * Order cycle = 60 days (~two months)
+  * Lead time = 15 days
+  * Buffer stock = 2 x Order cycle = 120 days
+Then the **Days to supply** = 60 + 15 + 120 = **__195 days__**
+</WRAP>
 You will see in our example that