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

### Instruction:
 Mark ananunua kadi ya uchawi kwa $100, ambayo kisha inaongezeka mara tatu kwa thamani. Atapata faida kiasi gani akiuza?


### Response:
 Thamani iliongezeka hadi 100*3=$<<100*3=300>>300
Hivyo alipata 300-100=$<<300-100=200>>200