Main work canter & Work center for costing point of view.

Dear Experts,

I have one question for Example: I have one main work center called MECH and I have two work centers MEC-1 & MEC-2 for different Mechanical activities and in my work order operations i am using these two work centers for the activity.

At the and for costing pointing of view can i take a cost of both work centers together MEC-1 MEC-2 through main work center which is MECH.

hope you can give me a clear picture.

Regards

ERPTech