Seller Negotiation life cycle from Sourcing to Finance

Summary:

In the public sector customer there is business case for auctioning retired assets and bring the revenue back to the books for both Internal Employees (e.g. Laptops) and External for Scraps

We would like to know the complete cycle of the seller negotiation in Oracle sourcing, Scrap item - Cycle should include approval, invoice generation, supplier confirmation for receive and also would like to know how the accounting happens in Oracle financials for the revenue generated out of the seller negotiation. Is there an white paper published on seller negotiation end to end ?

Business is looking for totally integrated e.g. P2P not disjointed i.e. Manual