What calss is using for Misc.Charges


While posting Purchase Order . we will assign Misc.Charges in PurchLine->setup->Misc.Charges

once we post where these is calculating , means which class is calling.

I have attached like same FOrm in Inventory-> InventoryTransfer Order->setup->Misc.Charge.

If i will assign Misc.Charges . once I do the Posting-> recive it has to affect to ledger account. like in PO.

Thanks in advance.