For example, if the yearly percentage rate was 6% (i.e. 0.06), then r would be  or 0.5% (i.e. 0.005).
fɔːɹ ɛɡzˈæmpəl, ɪf ðə jˈɪɹli pɚsˈɛntɪdʒ ɹˈeɪt wʌz sˈɪks pɚsˈɛnt ˈaɪ.ˈiː. zˈiəɹoʊ.zˈiəɹoʊ sˈɪks, ðˈɛn ˈɑːɹ wʊd biː ɔːɹ zˈiəɹoʊ.fˈaɪv pɚsˈɛnt ˈaɪ.ˈiː. zˈiəɹoʊ.zˈiəɹoʊzˈiəɹoʊ fˈaɪv.