1. Calculate the following taxpayers tax liabilities using Federal income tax brackets 2018 tax brackets i. A single taxpayer had taxable income of $76,500 ii. A Head of household taxpayer had taxable income of $76,500 iii. A married couple (married filing jointly) had taxable income of $76,500

2. George, a single taxpayer, earns $80,000 in taxable income and $6,000 in interest from an investment in city of Normal Bonds. Using the U.S. tax rate schedule for year 2018, what is his effective tax rate (rounded)? What is his average tax rate?