Assume that Lucas's marginal tax rate is 22 percent and his tax rate on dividends is 11 percent. If a dividend-paying stock (with no growth potential) pays an 6.60 percent dividend yield, what interest rate would a municipal bond have to offer for Lucas to be indifferent between the two investments from a cash-flow perspective?

Multiple Choice

22.00 percent

10.00 percent

6.60 percent

5.87 percent

None of the choices are correct.