Using the tax table, determine the amount of taxes for the following situations: (Do not round intermediate calculations. Round your
answers to 2 decimal places. )
a. A head of household with taxable income of $57,000.
Tax amount ???
b. A single person with taxable income of $35,800.
Tax amount ????
c. Married taxpayers filing jointly with taxable income of $72,400.
Tax amount ????