3-3 4.

Question Help Based on the after-tax returns, at what federal tax rate (as shown in Chapter 4) is an investor better off choosing a tax-exempt 5.06 percent municipal bond over a taxable 7 25 percent corporate bond? The after-tax retum on the corporate bond when the tax rate is 10% is 6.53 % (Round to two decimal places) The after-tax retum on the corporate bond when the tax rate is 15% is % (Round to two decimal places.)