Additional pets

Not sure if this is a “bug” or not. I’m just messing around in here to see how things work, and I set rates for additional pets for each service, yet when I create a (fake) booking and select multiple pets, the booking and invoice do not include the cost of the second pet. Yes, I see that the invoice can be modified manually after the fact to add “surcharges” for anything I want to write in the box provided, but that defeats the purpose of having automatic invoicing. It makes no sense that the booking and invoice would not automatically immediately show the total cost of 2 pets.

Why even have the option to set rates for additional pets if the rate isn't automatically applied? It’s possible I missed something but it shouldn’t be this hard. Thanks