One BU PR Expenses split for two Markets

Summary

One BU PR Expenses split for two Markets

Content

We have a business case where a customer raise one PR but the expense should be split in two markets

BU X (Ledger X) and BU Y (Ledger Y)

Procurement BU X, Requisition BU X, and Sold to the entity is BU Y and Bill to BU Y

PR is raised for 10000 USD in BU X, this 3000 will be charges to BU Y and 7000 will be charged to BU X 

and billing is for BU Y as Sold to the legal entity

We have achieved to the record of 7000 and also billing through SFO functionality but how to get done 3000 Expenses in BU Y and also billing in the Same BU but PR in BU X