A financial advisor recommends that you add some municipal bonds to your portfolio because of their tax advantages. You currently have corporate bonds with a yield of 0.06. How much do the municipal bonds need to yield for you to consider them equivalent to the corporates (assuming similar risks/ratings for each) if you have a marginal tax rate of 0.19 O 0.0447 0.0419 O 0.0486 O 0.0358 O 0.0390