<prompt> Translate the following text to EnglishKwa mfano, kwa mfano, asilimia ya gharama za usindikaji wa barua na gharama za utoaji kwa jumla ya gharama za kazi saba ambazo tunalinganisha na asilimia zilizotabiriwa.  <response>: We have obtained the actual percentages of mail processing costs and delivery costs relative to total costs for seven posts with which we compare the predicted percentages. 