a. You expect a tax-free municipal bond portfolio to provide a rate of return of 5.7%. Management fees of the fund are 0.77%. What fraction of portfolio income is given up to fees? (Round your answer to 1 decimal place.) b. If the management fees for an equity fund also are 0.77%, but you expect a portfolio return of 29.0%, what fraction of portfolio income is given up to fees? (Round your answer to 1 decimal place.)