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

### Instruction:
 Wiki iliyopita, Charles alinunua fulana kwa $30, begi kwa $10, na kofia ya bluu kwa $5. Duka limempa punguzo na jumla, alitumia tu $43. Punguzo lake lilikuwa kiasi gani, kwa dola?


### Response:
 Punguzo alilopokea lilikuwa $43 - $45 = <<43-45=-2>>$2