To clarify things that being discussed by above users, So it means the rewards is fixed 200$ for any deposit amount greater than 10$ or the reward is up to 200$ depending on the amount that you will deposit. The rules stated the later part but your statement seems like it was a fixed bonus. You should make this clear before user got confused and later on complain about your bonus system.

This offer is really interesting if 200$ is a fixed bonus.