<prompt> Translate the following text to EnglishKama bei zote za Ulaya zitatolewa katika euro, itakuwa wazi kwa watumiaji wakati kampuni ya Ujerumani inatoza zaidi kuliko mshindani wake wa Ufaransa au kinyume chake - wakati haingekuwa hivyo ikiwa bei zilitolewa katika francs na marks na zilipaswa kubadilishwa kwa kiwango cha kubadilishana cha sasa.  <response>: Once all European prices are quoted in euros, it will be obvious to consumers when a German company is charging more than its French competitor or vice versa--whereas it wouldnt be if the prices were quoted in francs and marks and had to be converted at the going exchange rate. 