47. Assume the marginal tax rate is 12 percent for the first $40,000 of income, 28 percent for income between
$40,000 and $100,000, and 30 percent for any income over $100,000. If Sarah has taxable income equal
48. Assume that the marginal tax rate is 10 percent for the first $10,000 of income, 20 percent for income between
$10,000 and $40,000, and 30 percent for any income over $40,000. If Jerome has taxable income equal to
49. Assume the marginal tax rate is 10 percent for the first $30,000 of income, 15 percent for income
between $30,000 and $70,000, and 20 percent for any income over $70,000. If Emily has taxable income
equal to $80,000 for the year, what is her tax bill?
50. The tax elasticity of supply measures the