The Shrieves Coporation has 15,000 that it plans to invest in marketable securities. It is choosing amont AT&T bonds, which yield 9%, state of Florida muni bonds, which yield 5.5 (but are not taxable), and AT&T preferred stock, with a dividend yield of 8%. Shrieves corporate tax rate is 35%, and 70% of the dividends are tax exempt. Find the after-tax rates of return on all three securities. Round your answer to two decimal places.
A-T rate of return on AT&T bond
A-T rate of return on Florida muni bonds
A-T rate of return on AT&T preferred stock