3.3.7.2 Add DCA to INV01 Inventory Ordering

Hi Team,

I am struggling here with the DCA issue. Where can I select the line item to override the suggested order amount? for only specific weeks and the same thing with Override Shipping Method? . Please find the screenshot below for your reference.

AD02 Inventory Ordering Overides -

INV01 Inventory Ordering Read/Write Access

Design View for INV01 Inventory Ordering

Can someone help me I am trying to achieve the below task :

What I am doing wrong? Can someone help me?