Tax Rate Tax Paid Before-Tax Income $500,000 After-Tax Income High-income family 37% Middle-income family 50,000 20% Low-income family 20,000 10% Using the table, the ratio of a high-income family's to a low-income family's Instructions: Round your responses to one decimal place. a. before-tax income is: to 1 b. after-tax income is: C. Is this tax progressive