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

### Instruction:
James is running a fundraiser selling candy bars.  Each box has 10 candy bars in it.  He sells 5 boxes.  He sells each candy bar for $1.50 and buys each bar for $1. How much profit does he make from these sales?

### Response:
 เขาทำกำไร 1.5-1=$<<1.5-1=.5>>.5 จากแต่ละแท่งลูกอม
ดังนั้นเขาทำกำไร 10*.5=$<<10*.5=5>>5 ต่อกล่อง
ดังนั้นเขาทำกำไร 5*5=$<<5*5=25>>25