How to perform calculations based on Drop Down fields

How do I create a form with $ values assigned to each drop down choice, and have them add up the total after all questions are answered... and show the total at the end prior to submitting.

I have been playing around, but I can't seem to figure it out. It seems to want to use numbers that are also in my dropdown choices, instead of just using numbers assigned to the choice.

In order for each option to have the exact value that you want it to, please first assign the calculation values to the options of your fields:

https://www.jotform.com/help/301-How-to-Assign-Calculation-Value

Please make sure that each and every option on a Drop Down field that you are using in the calculation, has its own calculation value assigned. At the moment, I see that some of your fields have a large number of options:

But only a few calculation values are assigned (only three options have a calculation value):

Then, simply perform the calculation as usual:

https://www.jotform.com/help/259-How-to-perform-calculation-in-the-form

Please try it out and let us know how it goes.