Body Control Module on 1998 Jeep Grand Cherokee

I would like to know a reasonable charge for installing a Body Control Module in my Jeep. They are charging me $500 for the part.....

Asked by for the 1998 Jeep Grand Cherokee
1 hour labor is more than sufficient time to replace the Body Control Module. .
Ok, but is the cost of the part $500.00....or around that amount....
The dealership said that the part was $500.