<prompt> Translate the following text to SwahiliWe provide indirect confirming evidence of the hypothesis, using the fact that the model implies that mail processing and delivery costs will comprise specific percentages of total costs at specific per capita volume levels.  <response>: Kwa upande mwingine, kuna ushahidi wa moja kwa moja wa dhana hii, kwa kutumia ukweli kwamba mfano unaonyesha kwamba gharama za usindikaji na utoaji wa barua zitajumuisha asilimia maalum ya gharama za jumla kwa viwango maalum vya kiasi cha mtu. 