Below is an instruction that describes a task. Write a response that appropriately completes the request in Thai. Please answer in Thai.

### Instruction:
While passing by a store, Miley noticed that a bag that cost $150 last week is now on sale for $135. What percent is the discount?

### Response:
 กระเป๋านี้ขายเหลือ $150 - $135 = $<<150-135=15>>15 น้อยลง
ส่วนลดคือ 15/150 = <<15/150=0.1>>0.1
เปอร์เซ็นต์ส่วนลดคือ 0.1 x 100% = 10%