Registration form that allows selections for payment

I need a form that, well is exactly like this (below). Is there an option that allows me to charge one price for the first selection and a different price for additional selections- then adds it up to check out with square? 

See the select your division portion at the bottom:

http://testedshows.com/events/entryform.php?event=MTQ3

You can create your payment form integrates with Square: https://www.jotform.com/help/459-How-to-Integrate-Form-with-Square 

If you need to charge a special price per each extra item, or option, you can follow this guide: https://www.jotform.com/help/225-How-to-Add-Options-to-Payment-Forms 

Let us know if you have more questions.