Compute the 2020 tax liability and the marginal and average tax rates for the following taxpayers

1. Chandler, who files as a single taxpayer, has taxable income of $87,000.

a. Tax liability

b. Marginal Rate

c. Average Rate

2. Lazare, who files as a head of household, has taxable income of $65,400.

a. Tax liability

b. Marginal rate

c. Average rate