Get values from a dynamic table

Get values from a dynamic table

Hello, I have a Dynamic Table created with append, were I need get the sum of all price fields before save the data, and in my table I handle an ID per row, if I delete a row the index doesn't is reseted.

Can anyone give me a little help how to do that?

JsFiddle File:
http://jsfiddle.net/jakecigar/jBx9q/1/