Description
Report to display call-offs (purchase order) of one contract item
like contract document flow, but only call-offs will be listed, with
the option to select only call-offs within a given range of delivery
date.

Output
Items with quantity in purchasing unit of measure with the additional
data of the requested delivery date, quantity in base unit of measure,
and indicator if Qty.schedule exist for call-off item.
It is possible to branch to PO document and Qty.schedule if exist.
If the summary of call-off does not match with Qty.schedule data,
the summary line will be displayed with red color.