<prompt> Translate the following text to SwahiliFor example, a discount could be given for mail presorted into packages, each package being for one 5-digit ZIP Code area.  <response>: Kwa mfano, punguzo laweza kutolewa kwa barua iliyopangwa mapema katika vifurushi, kila kifurushi kikiwa kwa eneo moja la nambari ya posta ya tarakimu tano. 