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

### Instruction:
 John ameamua kubadilisha kofia zake zote. Ana kofia za kutosha kuvaa kofia tofauti kila siku kwa wiki 2. Ikiwa kila kofia inagharimu $50, kofia zake zinagharimu kiasi gani?


### Response:
 Ana kofia 2*7=<<2*7=14>>14
Hivyo, zinagharimu 14*50=$<<14*50=700>>700