E.g.: Finished product 'A' can be made from 'A1' , 'A2' , 'A3' ( Interchangeable). Bom of 'A' contains only one line item 'A1'. and the demand for A is 100 If 'A2' has stock , say 'A2=10' and 'A3
' then when run MRP , system should consider the stock of 'A2' and 'A3' and should give the procurement proposals for A.