Intercompany Tranfer Pricing for Kit items

Summary:

We have a requirement two level of Financial route Inter company (SG-US-JP) and SG is going to ship the product to JP customer directly. We have defined the Transfer pricing for US-JP with Source document price -20%.

However Transfer Pricing is giving 0 price for shippable part number as the pricing is maintained at KIT item level.

We need the expert advise how the transfer pricing calculation happen when we KIT items. As KIT Item price -20% in our above requirement.