<prompt> Translate the following text to EnglishMwishowe, sisi kulinganisha halisi kitengo mapato, na baadhi ya gharama za kitengo inayotokana, kwa ajili ya nafasi saba na mfano wa utabiri wa gharama za kitengo.  <response>: Finally, we compare actual unit revenues, and some derived unit costs, for the seven posts with the models prediction of unit costs. 