title: Question regarding apple charges
body: <p>Will apple charge 30% of the app revenue or 30% of the content we sell through our own app?</p>
  
  <p>For example if we sell a book from our App, will apple charge 30% of that book we sold?</p>
  
  <p>or</p>
  
  <p>Apple charges 30% of the app price? (example if the app costs 10USD, apple takes 3USD)?</p>
  
  <p>Please clear my doubt. Thanks</p>