<prompt> Translate the following text to EnglishLengo hapa si kutoa sababu au kuhesabu kwa nini mailer au mshindani anaweza kufanya kazi kwa chini ya huduma ya posta, licha ya uwezekano kwamba mailer au mshindani itakuwa ndogo.  <response>: The purpose here is not to provide reasons or to quantify why the mailercompetitor might be able to do the work for less than the postal service, despite the likelihood that the mailercompetitors scale of operations will be smaller. 