Fusion Procurement : PO line Price

Summary

Fusion Procurement : PO line Price

Content

After entering the Item onto the PO Line ,created through Create Order

Line Price defaults from List price from Purchasing set up under Inventory org defined in Common Procurement config which is the expected behaviour,  But system dsnt allows to edit the PO Line price so unless i put default in Item set ups List price in PIM i cant enter the PO line

What set up or privilege is needed to make Price attribute field on PO line editable...