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

### Instruction:
 John ananunua vitu 5 ambavyo kila kimoja kina gharama ya $3. Anapata punguzo la 20%. Analipia kiasi gani kwa kila kitu?


### Response:
 Vitu hivyo vina gharama ya 5*3=$<<5*3=15>>15
Punguzo lake ni sawa na 15*.2=$<<15*.2=3>>3
Hivyo analipa 15-3=$<<15-3=12>>12