Open the 
Item Card
window.
On the Replenishment tab, fill in the Flushing Method field to select the method the program must use when it calculates the consumption.
The method for the calculation of the consumption posting time is assigned to the item's master data.
Open the Item Card
window.
On the Replenishment tab, fill in the Flushing Method field to select the method the program must use when it calculates the consumption.