Differences
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Both sides previous revision Previous revision Next revision | Previous revision | ||
reports:purchasing [2024/07/26 04:39] – [mSupply's better algorithm] Louisa Wong | reports:purchasing [2024/08/12 01:41] (current) – [Report output] Louisa Wong | ||
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Step 5: | Step 5: | ||
We can now calculate the Adjusted AMC with the formula: | We can now calculate the Adjusted AMC with the formula: | ||
- | Square root[(Days in stock)/(Days in the month)] * Consumption | + | Square root[(Days in month)/(Days in the stock)] * Consumption |
We check this individually for each month that has not been excluded. | We check this individually for each month that has not been excluded. | ||
So, if the "Days in month" = "Days in Stock", | So, if the "Days in month" = "Days in Stock", | ||
Line 185: | Line 185: | ||
Step 5: Calculate Adjusted AMC | Step 5: Calculate Adjusted AMC | ||
- | * Apply formula to each included month = Square root[(Days in stock)/(Days in the month)] * Consumption | + | * Apply formula to each included month = Square root[(Days in month)/(Days in stock)] * Consumption |
* Sum the results | * Sum the results | ||
Line 270: | Line 270: | ||
* Number of months in stock : Calculated by (' | * Number of months in stock : Calculated by (' | ||
- | * Ordered Quantity used : Calculated by ('Stock on order' | + | * Ordered Quantity used : This is how much of the stock you have ordered that you will actually need to use, based on how much you use each day and how much stock you already have (Note: forecast calculation will affect this). This is determined by: |
+ | * Calculate the "usage per day of stock" = AMC / 30.4375 | ||
+ | * Multiply "usage per day of stock" with the "total number of days in your months stock required" | ||
+ | * Calculate your " | ||
+ | * Subtract "Total usage required" | ||
+ | * This value ("Net stock difference to be used") now determines the " | ||
+ | * If the value is a negative value and there is "Stock on order", | ||
+ | * If the value is a positive value and there is "Stock on order", | ||
- | * Suggested Order : Calculated | + | * Suggested Order calculated |
+ | * If expected delivery date has not been adjusted: | ||
+ | * If expected delivery date has been adjusted, this will be accounted for as it will only look at the stock required from date of expected delivery to the end of months stock required: | ||
+ | |||
+ | * Usage per day = Adjusted AMC/30.4375 (which is from 365.25/12 which is days in the full year) | ||
+ | * Suggested order quantity = Usage per day x Days needed (which is ' | ||
+ | |||
+ | * This determines the quantity of stock that needs to be ordered to maintain the desired inventory levels after considering current stock, back orders, and stock already on order. Note: if you are using the " | ||
{{: | {{: | ||
{{: | {{: |