How can to calculated and eliminate unrealised profit ?

Dear BPC Experts,

I am searching on google a lot for calculated and eliminate unrealised profit on BPC but I have no idea,

Acctually, I am to try finding the way to make the bussiness rule for unrealised profit and how can to calculated it on consolidation, but I still haven't known how can do that.

Have you have any idea or suggestion for that?

Thank you so much and waiting reply from you.

Best reagrds

Chinh Pham