MIN MAX PLANNING FOR SUBSTITUTE ITEM functionality

Hi,
I want to create following functionality.

Can i take into consideration the value of Primary item and substitute item together for min max planning?

Case

Item 1	Ball Pen
Item 2	Marker Pen

 

Item 2 is a substitute of item 1.

 

Sub inventories

Sub inventory 1	Store
Sub Inventory 2	Sub Store

 

I want to do min max planning on item 1.

i.e. transfer item form store to sub store

 

If Item 1 + Item 2 < 100 than do sub inventory transfer of item 1 from Store to Sub Store.

 

I want to take into consideration the quantity of item 1 and item 2, not only item 1.