<prompt> Translate the following text to SwahiliIt shows that when vehicle costs are added, the difference in cost per box per day between city and rural carriers depends heavily on which labor cost is used.  <response>: Kama gharama za magari zinaongezwa, tofauti ya gharama kwa sanduku kwa siku kati ya waendeshaji wa mji na wa vijijini inategemea sana gharama ya kazi inayotumiwa. 