Fusion Cost is not Rolled up for a CTO Model

Summary: Created a CTO Model having a Sub Model, Option Class, Options.Cost is not rolled up for Top Model Star Item.

Content (required):

Booked a configuration in Fusion OM. OM has generated a Back to Back WO in Manufacturing for Top Model star item. Collection and Planned run. Planning has released Sub Model star items WO.

Created a Cost Scenario for configured Item and Rolled up. We can only view or Cost Roll up program only picks Sub Model Start Item WO Cost. Fusion Cost Management is not rolling up To Model Star item costs though WO exists and completed.