<prompt> Translate the following text to EnglishMstari wa 5 hadi 8 unaonyesha athari ya kubadilisha njia ya malipo kwa kubadilishana barua ya LC au AO kati ya Marekani na FPAs nyingine zote.  <response>: Lines 5 through 8 show the effect of changing the method of payment for the exchange of LCAO mail between the U.S. and all other FPAs. 