I am looking for a way to add value to a combination of paragraph text + checkbox fields which i did using conditional logic, see here: http://www.ra-plutte.de/test
The test shows a trademark class, here class 01. If users decide to register their mark for class 01, they can choose between standard class or individual class-editing. In the final version will be 45 of these class-combinations. My purpose is to add a value of 100,00 € to each class (not checkbox). 1-3 classes shall then cost 300,00 €, every additional class an extra 100,00 €.
1. Atm it is possible to activate both checkboxes at the same time, while it should be only possible alternativly. How do I fix that?
2. Regarding the adding of value: Do you recommend using hidden fields + calculation fields? If yes, can you recommend related posts?