Add prices and display in dynamic text box

Hey,
I have a combobox and radio buttons with specific prices that
I want attached depending on the choice the user makes. I'm having
trouble getting the application to add the total of the selections
and display the total in a dynamic textbox.
I am trying to use global variables. I set them to a certain
value depending on what is selected. At the end I set add them up
in the variable total and set that equal to the text box named
totalPrice.
Right now the value of the global variables is not being
returned from their functions.
Any suggestions for how to do this correctly?
Thanks!

kglad,
Thanks for your quick response. I know that the return
doesn't work and that is why I decided to post it. Your suggestion
about updating "total" was something I hadn't thought of. Can you
give me anymore in terms of how to get the values out of the
function and update "total"?
Thanks!
Oh, if anyone needs a link to the fla...
fla file in zip
format

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Add prices and display in dynamic text box

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