Problem 6-10 After-Tax Rate of Return (LO2) You bought a 10-year, 5% coupon bond for $1,000 and sold it 1 year later for $1,100. The bond pays interest annually. If your marginal tax rate is 30%, and 50% of capital gains are taxable, what is the after-tax rate of return on your bond investment? (Round your answer to the nearest whole percent.) After-tax rate of return 8 %