http://en.wikipedia.org/wiki/Effective_interest_rate http://en.wikipedia.org/wiki/Effective_interest_rate See original source Effective Rate of Interest Effective Annual Interest Rate opracowanie własne na podstawie Wikipedia English English effective rate of interest English opracowanie własne na podstawie Wikipedia Effective interest rate Effective Rate of Interest interest effective rate Effective interest rate - Wikipedia, the free encyclopedia English English http://en.wikipedia.org/wiki/Effective_interest_rate effective interest rate