Tax Rates. Latesha, a single taxpayer, had the following income and deductions for the tax year 2023: INCOME: Salary $100,000 Business income 25,000 Interest income from taxable bonds Interest income from tax-exempt bonds 10,000 5,000 TOTAL INCOME $140,000 DEDUCTIONS: Business expenses Itemized deductions $ 9,500 20,000 TOTAL DEDUCTIONS $ 29,500 a. Compute Latesha's taxable income and federal tax liability for 2023 (round to dollars and ignore the qualified business income deduction and self-employment taxes for this problem). 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?