<prompt> Translate the following text to SwahiliFor example, if the analysis indicated that the maximum feasible level for 1998 was at or closer to one of the lower prior year standards than it was to the 1997 standard, prescribing that lower standard would not necessarily be impermissible.  <response>: Kwa mfano, ikiwa uchambuzi unaonyesha kwamba kiwango cha juu cha uwezekano wa 1998 kilikuwa sawa au karibu na moja ya viwango vya mwaka uliopita kuliko kiwango cha 1997, kuagiza kiwango hicho cha chini hakitakuwa lazima. 