e.g. PO raised for 100 of item SKU 101 to be delivered to location = "NYC Warehouse - Holding". Then create item transfer of 75 of SKU 101 from "NYC Warehouse - Holding" to "NYC Warehouse - Web" and 25 of SKU 101 to "NYC Warehouse - Wholesale" on expected quantities received prior to item receipt confirming how many received against original PO to "NYC Warehouse - Holding" record?