Comment by ghaff

I think the other thing that happens is that governments outsource electronic payment collection to a third party which imposes a surcharge for its collection and remits the full nominal amount to the government.

Which can lead to seemingly ludicrous results somethings. I paid a "convenience" fee for parking the other night because presumably collecting a bunch of quarters from a meter was cheaper for the municipality than getting a bit less money transferred from the parking app people?