just answer is enough

1 - Which of the following statements are true? a) An increase in tax rates will increase the demand for municipal bonds, lowering Meir interest rates. b) Interest rates on municipal bonds will be lower than on comparable bonds without the tax exemption. c) Because coupon payments on municipal bonds are exempt from federal income tax, the expected after-tax return on them will be higher for individuals in higher income tax brackets. All of the choices are true