Open Qty on PO's

 Hi ,

   I am developing a new report whose fields are as below ,although i have figured out the tables from where the fields have to be pulled up except for two fields

   1  Open Qty on PO's (accumulative)
   2 Open Qty on internal req's (accumulative)

can anybody show me from which table/s i can figure out the above two fields

      Global On Hand Quantity Detail – show the following fields:

Item #
Description:
UOM:
Location:
Locator:
Qty:
Cost:
Allocated:
Open Qty on PO's (accumulative)
Open Qty on internal req's (accumulative)