<prompt> Translate the following text to SwahiliFinally, we compare the engineering and econometric approacHes used to estimate unit delivery costs for France and the U.S., respectively, over reasonable ranges of the delivery cost drivers.  <response>: Kwa upande mwingine, kwa mfano, kwa mfano, teknolojia ya kiufundi na kiuchumi, ambayo inasaidia kuamua gharama za usafirishaji wa bidhaa kwa Ufaransa na Marekani, ni sawa na gharama za usafirishaji kwa nchi za Ulaya. 