Replacing Rear Brake Pads and Rotors for Toyota Sienna 2011 XLE

Went back to the anh Hùng this morning to replace pads and rotors. Once again, he only replaced the two rears:

2 Rear Rotors: $112 (25% discount)
4 Rear Brake Discs: $40 (25% discount)
Labor: $70
Total: $222

Note: Toyota Sienna 2011 XLE at 195,000 miles