WBS planned cost in Sales order cost estimate

HI Experts,

Can you please help me in below:

Will it be possible to include WBS planned cost in Sales order cost estimate.

ETO Scenario

Creating Project and booking planned cost

Creating Sales order and assigned the WBS at line item level

WHen i do the sales order cost estimate it calculating cost from Sales order BOM includeing Chars value for KMAT.

I want to know if there is any way to include the WBS planned cost also in the sale order cost estimate.

Can anyonce please provide inputs.

Thanks,

Sudha