<prompt> Translate the following text to SwahiliAccording to the graph, the postal services profit level declines until it is back at breakeven at discount of about 4.5a.  <response>: Kwa mujibu wa grafu, kiwango cha faida ya huduma ya posta hupungua hadi inaporudi kwenye breakeven kwa punguzo la karibu 4.5a. 