This activity is used to calculate historical average daily usage based on historical issues. Issues within the
rolling horizon will be considered in the calculation. All parts which are defined as buffered parts will be
considered. It is advisable to perform this job if there is a change in unprotected lead times of the parts, lead
time category or the variability category defined for the parts. All the buffered parts will be considered in the
calculation. Output of the calculation may or may not be used in other calculations depending on how the Auto
Update set up has been done for a particular part in the Buffer Part Attributes
page.