Change the values used for calculations in a Drop-Down list in Adobe LiveCycle

Westley,

I'm working with Adobe LiveCycle Designer to create a simple form. I have two values in a drop down list that I'm trying to get the totals field to calculate upon selection. However, although I have typed in the values as $0.00, the calculation field is not picking them up because the list items are actually "text". Wonder if there is a way to make the list items numeric so that the calculation field will see them as such. Maybe you can't use a drop down list for numeric values, which means that I would have to make the field a numeric filed where the client would have to type in the number...I'd rather have them select the number from a drop down list.

Thanks,
Randy O.