Which of the following statements is correct? For the most part, our federal tax rates are progressive, because higher incomes are taxed at higher average rates. Bonds issued by a municipality such as the city of Miami would carry a lower interest rate than bonds with the same risk and maturity issued by a private corporation such as Florida Power & Light. Our federal tax laws tend to encourage corporations to finance with debt rather than with equity securities. Our federal tax laws encourage the managers of corporations with surplus cash to invest it in stocks rather than in bonds. However, other factors may offset tax considerations. All of the above statements are true