Hi
Regarding the OP.
What does clicking on the little circled "i" get you ?
You should be able to get a break down of the $410.41.
Certain Airports, (being nice monopoly businesses) have very expensive fees and may be better avoided.
See link below for Florence Airport fees.
Cheers
https://www.toscana-aeroporti.com/en/business/aviation/airport-rights-and-regulated-fees