1.Chuck, a single taxpayer, earns $70,000 in taxable income and $10,000 in interest from an investment in City of Heflin bonds. Using the U.S. tax rate schedule, how much federal tax will he owe?

2.Chuck, a single taxpayer, earns $70,000 in taxable income and $10,000 in interest from an investment in City of Heflin bonds. What is his average tax rate? (Carry your answer two decimals, i.e., 20.05)

3.Chuck, a single taxpayer, earns $70,000 in taxable income and $10,000 in interest from an investment in City of Heflin bonds. What is his effective tax rate?

4.Chuck, a single taxpayer, earns $70,000 in taxable income and $10,000 in interest from an investment in City of Heflin bonds. What is his current marginal tax rate?

5.Chuck, a single taxpayer, earns $70,000 in taxable income and $10,000 in interest from an investment in City of Heflin bonds. If Chuck earns an additional $40,000 of taxable income, what is his marginal tax rate on this income?

6.Chuck, a single taxpayer, earns $70,000 in taxable income and $10,000 in interest from an investment in City of Heflin bonds. If Chuck earns an additional $40,000 of taxable income, what is his marginal tax rate on this income?