Question 11 (1 point) Saved Kaylie purchased $50,000 of City of Miami bonds, earning an interest rate of 4.8%. She could have earned 6.4% on equivalent risk corporate bonds. The reduced rate of return is characterized as an explicit tax. True False Question 12 (1 point) Marco, who files as head of household, expects his taxable income to be $80,000. Marco is considering a part-time business venture near the end of the year that would produce $10,000 in additional income. What would be Marco's marginal tax rate on this income? 22.1% 24.0% 23.8% 22.9%