PROBLEMS Tar Rates Latesha, a tax year 2018: :1-39 Tax Rates. Latesha, a single taxpayer, had the following income Salary Business Income Interest income from taxable bonds Tax-exempt bond interest TOTAL INCOME $ 80,000 25,000 10,000 5,000 120,000 INCOME: $ 9,500 20,000 29,500 DEDUCTIONS: Business expenses Itemized deductions TOTAL DEDUCTIONS a. Compute Latesha's taxable income and federal tax liability for 2018 (round to 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 impoma