Variable display

[growfio]

https://growfio.com/shop/add-ons/professional-email-address
https://gyazo.com/d83aa5ce2f89638c25081c137f323d37

When selecting a product variable, the variable doesn’t show after clicking (monthly vs yearly). Can you fix that please so the variable options displays for the user based on what he/she selected?

Ticket