how to procure multiple assets in SAP for PO created in Ariba with statistical Internal order.

Hi All,
So we person a existent process arsenic :-

1. PO is created successful Ariba with 1 enactment point , and Account duty arsenic I(i.e Statistical Internal Order- to way budget). 
2. This is interfaced to SAP. 
3. Expectation is however tin we make aggregate plus and station GR/IR to these assets (Distribute magnitude connected IO with full qty) successful SAP/ if tin beryllium done successful Ariba. 
Accounting introduction astatine clip of GR:-
Asset 1 Dr.
Asset 2 Dr.
GR/IR Cr.