<prompt> Translate the following text to EnglishBaada ya kuzingatia maoni ya awali alipokea, Tume alikataa kufuata pendekezo la mkataba wa kiwango, lakini aliomba maoni zaidi juu ya masuala kadhaa ya jumla kuhusu mabadiliko ya uwezekano katika mfumo wa uainishaji wa barua.  <response>: Upon consideration of the initial comments it received, the Commission declined to pursue the contract rate proposal, but solicited further comments on several broad issues concerning possible changes in the mail classification system. 