<prompt> Translate the following text to EnglishInapaswa kutajwa kwamba uwepo wa City Mail tayari umesababisha Sweden Post kupunguza bei kwa wajumbe wa kiasi kikubwa katika maeneo yanayohudumiwa na mshindani wake.  <response>: It should be noted that the presence of City Mail has already prompted Sweden Post to lower prices for large volume mailers in areas served by its competitor. 