aATP - ABC - Plant Substitution - Subitem Generation

Hello Experts,

I person a question,

I volition usage Plant Substitution & Storage Location Substitution but surely not product Substitution. So, volition it beryllium imaginable to usage only Plant Substitution or Plant Substitution + Storage Location Substitution combination?

2.  Scenario 1

Sales Order Qty: 500 

Order Plant A: 300 (Available Stock)

Plant B: 200 (Available Stock)

Plant C: 100 (Available Stock)

In supra case, with ABC - Plant Substitution - Subitem Generation volition it beryllium imaginable prime banal from Plant A: 300 + Plant C: 100 + Plant B: 100

or it volition create Plant A: 300 + Plant B: 200