<data><field name="quantity" position="attributes">
                <attribute name="invisible">1</attribute>
            </field>
            <field name="unit_cost" position="after">
                <field name="remaining_qty" sum="Total Remaining Quantity"/>
            </field>
            <field name="value" position="before">
                <field name="remaining_value" sum="Total Remaining Value"/>
            </field>
        </data>