How to move onhand from existing organization to newly copied organization

Hi Team,

Please advice on below concern.

1) To change costing method, we wanted to set up new organization.

2) we have set up new organization by copying it from the existing one.

3) Hence entire set up part for replicated as is.

4) Now we want to move onhand from old to new organization as is with same associated serial numbers

5) Also we want get transaction details and history of same in new organization.

Can you please suggest how we can approach it using tech expertise.

Regards,

Vikram T.