<prompt> Translate the following text to EnglishIkiwa dhana hii ni sahihi, basi asilimia ya utoaji wa Italia inaweza kurekebishwa juu kwa kiasi kisichojulikana kuelekea thamani iliyotarajiwa na gharama zao za usindikaji wa barua zingehitaji kurekebishwa chini.  <response>: If this conjecture is correct, then Italys delivery percentages could be adjusted upwards by an unknown amount towards the predicted value and their mail processing costs would then have to be adjusted downwards. 