Matrix pricing using radio button does not work

we would like to determine the price from an excel matrix using radiobutton. For this we read an Excel CSV and selected 2 data entry fields in the form of radiobuttom.

https://www.fensterprofi24.de/screens/210.png

for the sake of simplicity, the result of the matrix is ??entered as the main form

https://www.fensterprofi24.de/screens/211.png

despite clicking differently on the radiobuttom options, the price does not change.
Why ?

https://www.fensterprofi24.de/produkt/sectionaltor/

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