def METHOD_NAME(self):
    if self.normalization != "none":
        return "Investment Costs for best individuals after {generation} {generation_noun} normalized to {normalized}".format(
            generation=self.generation, normalized=self.normalization, generation_noun=self.generation_noun)
    else:
        return "Investment Costs for best individuals after {generation} {generation_noun}".format(
            generation=self.generation, generation_noun=self.generation_noun)