Overhead absorption for component return to inventory from WIP?

Summary:

In a Pertual Average Costing Org we've added an overhead to be charged to WIP Valuation and credited to Material Overhead Absorption upon Component Issue which works just fine for Component Issue transaction. When we reverse that with Component Return the full value of the component, i.e. material cost and overhead charged in issuing it to WIP, is being credited from the WIP Valuation account and debited to the Inventory Valuation account by Cost Element, i.e. Material and Overhead. One would expect that the WIP valuation be credited but that the Inventory Valuation only be charged for the