I have a text field on my livecycle form where the user enters a postal
code.Essentially I have TOTAL (number field) that is determined from a
variety of standard number calculations, but the last step is to
increase the TOTAL by either 10%, 15% or 25% depending on the postal
code entered in the text field (the location of the user).In some cases
the first 3 digits of the postal code are sufficient to determine which
rate increase applies. In other cases the entire 6 digits of the postal
code wi...