The profit margin is a number that includes everything. I compare this to the revenue they make from app store fees. If they stop taking that revenue, their revenue decreases by exactly that amount, their expenses stay the same, so their profit also decreases by exactly that amount.
The profit margin is a number that includes everything. I compare this to the revenue they make from app store fees. If they stop taking that revenue, their revenue decreases by exactly that amount, their expenses stay the same, so their profit also decreases by exactly that amount.