My scenario is make to order i.e. sales order based ( 20 Strategy ) with this scenario i m converting planned order to production order for semifinish material at the time of see cost display in costing view there is sales order based item costing i.e. semi finish material . After that those semifinish material used in another semifinish i.e. in next stage. at the time of costing view there is no update the costing for previous semi finish material. only material master price updated in costing view.