The fees scale with revenue - what I'm saying is that Apple's own costs do not scale with the revenue they take from companies on the app store. e.g. A single

The fees scale with revenue - what I'm saying is that Apple's own costs do not scale with the revenue they take from companies on the app store. e.g. A single transaction of $10,000 does not Apple more than $100 other than the beforementioned financial transaction fee.