Material in Stock From Production Order at Actual Cost

Dear Sir,

We have Engineer-To-Order Scenario and all Production Order have account assignment as WBS Element . At the time of MB31 , the Semi-Finish Componenets are comming in Stock at Std Cost . But we want it should come at the Actual Incurred cost in the Production Order .

How can we do it , kindly help us pl .

We assure to give full points for the suggested solution pl.

Rgds

B Mittal