just need help with Part A.

Thank you!

A municipal bond you are considering as an investment currently pays a yield of 6.92 percent. a. Calculate the tax equivalent yield if your marginal tax rate is 28 percent. b. Calculate the tax equivalent yield if your marginal tax rate is 21 percent. (For all requirements, round your answers to 3 decimal places. (e.g. 32.161) Answer is complete but not entirely correct. a Tax equivalent yield Tax equivalent yield 9.610 % 8.759 % b