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

### Instruction:
 John anaenda dukani na kulipa na noti ya dola 20. Ananunua soda 3 na anapata $14 kama mabadiliko. Bei ya kila soda ni kiasi gani?


### Response:
 Alilipa 20-14=$<<20-14=6>>6
Hivyo kila soda iligharimu 6/3=$<<6/3=2>>2.