Inter-company consignment

All,

We are having a scenario of inter-company consignment as below:

1) Warehouse AW in company A creates consignment order on vendor.

2) Receives the consignment stock in warehouse AW

3) By inter-company PO the consignment stock is transferred to shop of company B

4) Consignment stock received in store of company B from warehouses AW of company A

5) On sale of consignment article,company A invoices company B

6) At say time company A invoices and pays vendor

Please let us know how the invoice for vendor can be raised and secondly, can the scenario be mapped?

Pointer or suggestion to achieve above scenario will be appreciated.

thanks,

mahesh.