The Millers, a family of three filing joint returns, have the following information to prepare their federal income tax. Use the current federal tax forms (available at the local IRS office) to make your computation.

Salaries	45,000
Interest income, corporate bonds	1,000
Interest income, municipal bonds ( issued in 1984	1,500
State and Local income taxes	800
Real estate taxes	750
General sale taxes	750
Home mortgage interest	3,350
Credit card interest	500
Cash contributions to charities	250
Interest on education loans	400

Question 4: Compute the following

1. Adjusted gross income
2. Taxable income
3. Tax
4. Average tax rate
5. Average effective-tax rate
6. Marginal tax rate