Latesha, a single taxpayer, had the following income and deductions for the tax year 2013:
interest income from bonds10.000
Tax-exempt bond interest 5.000 total income $100.000
Busines expenses $9.500
Personal exemption 3.900
Total deduction $33.400.
a. Compute Latesh' taxable income and federal tax liability for 2013 ?
b.Compute Latesha's marginal, average, and effective tax rates.
c. For tax planning purposes, which of the three rates in part b is the most important?