Solution : https://service.sap.com/sap/support/notes/370204 (SAP Service marketplace login required)
Key words :
costing returns unexpected results, sales order costing reason, cost element groups defined, raw material cost estimates, raw material cost estimate, executing multilevel costing, cost component split, material cost estimate, previous costing level, cost estimate based
Related Notes :
1667866 | Application of overhead using activity allocation |
398639 | Composite SAP Note: Overhead calculation |