It’s very difficult to tell what is the correct price for a service. It depends on where you live, how many hours you work, which are your costs… You have also to consider learning time as working time, meetings with possible customers, and postproduction time.
If you are not able to do a good costs balance, you may inquire another professionals near you to make an idea on which are the standard prices. This way you’ll know if you are overprincing.