<prompt> Translate the following text to SwahiliTo fill the gap in missing FPA rates, the Commission calculated an extra ounce rate between the two highest weight intervals for which there were rates.  <response>: Ili kujaza pengo katika viwango vya FPA vilivyopotea, Tume ilihesabu kiwango cha ziada cha unsi kati ya vipindi viwili vya uzito wa juu zaidi ambavyo kulikuwa na viwango. 