Average Cost

Hi,

We have 2 organizations within same OU. We want to know below concepts

1. When we perform Inter-org transfer, for some items, system creates single transaction "Dir" and for Other items,it create 2 transactions "Dir" and "Val".

   What is criteria for these transaction(s)

2. For an item, we made some entries like adjustments, Inter-org transfer etc in both organizations. How would system calculate its cost when we execute cost rollup process. What we observe is that it creates average cost in one org, then creates it in second org taking affect of cost from first org for inter-org transfers, then again updates first org with average cost of second org.