Symphony Softtech interview questions

* First of all the hr welcomed me and after sometimes they provide me a cup of tea with biscuits . After almost half hour later they invited me to take interview . Bellow the interview process - 1. Tell about you. 2. Told me about them and their policy 3. After that they say about their us based client project and told me about it and give me the task for their client . 4. After 1 week later the admin tech of the company give send me a api collection and they told me the to complete my task. 5. After all I am doing the task 6. I call them and told them i have almost done my task . Can I come today to show the task then they told me to pay for this task if the client will satisfied and if they are not able to hire me they are sorry for it but they assurance that they will paid for it what I do for the job .