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

### Instruction:
Elsa and her sister watch an opera show every year at Central City Opera. Last year, opera seating cost $85 per ticket. This year, it costs $102. What is the percent increase in the cost of each ticket?

### Response:
 Ongezeko la asilimia ni (102-85)/85 *100= <<(102-85)/85*100=20.0%>>20.0%