When modeling in-house production using SAP ECC, on which business levels can you create a bill of material (BOM)? (Choose two)

You want to enhance the system statuses of a production order with user statuses.
How do you do this?

You have maintained planning strategy group 10 (make-to-stock production) in the material master (SAP ECC) of a material. For the coming months, you have planned requirements with requirement type LSF (derived from main strategy 10). Now, you want to change the requirement type from LSF to VSF (in accordance with planning strategy 40, planning with final assembly) for requirements in the existing production plan.
Which of the following scenarios are applicable in this case? (Choose two)

What could be a consequence of the confirmation of an operation?

When maintaining a work center, formulas can be assigned in the scheduling view. Formulas use formula parameters for calculation. What can be the origin of the formula parameters used for scheduling? (Choose three.)