<prompt> Translate the following text to SwahiliEPA also states that the analysis shows that it chose the alternative which represented the least costly, most cost effective approach to achieving the air quality goals of the Clean Air Act.  <response>: EPA pia inasema kwamba uchambuzi unaonyesha kwamba ilichagua mbadala ambao uliwakilisha mbinu ya gharama nafuu zaidi na ufanisi wa gharama ya kufikia malengo ya ubora wa hewa ya Sheria ya Hewa safi. 