What are municipal bonds? We are comparing the equivalent tax-free rate of two investments: 1) A taxable corporate bond that is at a rate of 10%, with a marginal tax of 30%, and 2) A tax-free municipal bond that is at a rate of 8%. Which of the two investments offers a better return considering the tax impact? (Show all work/calculations/formulas.) Your response should be at least 200 words in length.