Cost of OEM pads base 370z
 

So my brakes have been squealing when I push the brake pedal slowly and lightly. When I brake hard or suddenly it doesn't squeal so I'm not sure if it's pads or rotors. I'm thinking the pads are either worn or glazed over. I can't get my wheels off to check because when I got my wheels balanced they put on the lugs super tight so I need a breaker bar. What do you guys think it is and how much do OEM pads and rotors cost for base model non sport if I went to a shop like Midas?