Price varies by localities. You should check your local shops. It is 1 hour labor.
Or pay $50 for the pads and you can do it yourself. Make sure you get some brake caliper lube.
Raise the vehicle, remove tire. Do one side at a time
Remove 2 caliper bolts (14mm socket)
Remove old brake pads
Install new pads. Make sure you lube all metal to metal contacts
Install anti-rattle springs. Look for the holes on the pad. That is where the spring goes.
Use C-clamp to push piston back into caliper
Install caliper
Wipe clean caliper bolt. Lubricate caliper bolt.
Install the bolt.
Now do the other side.