1) The profession of tax practice involves four principal areas of activity. Discuss these four areas. 2) Tax Rates. Latesha, a single taxpayer, had the following income and deductions for the tax year 2013: INCOME: Salary $60,000 Business Income 25,000 Interest income from bonds 10,000 Tax-exempt bod interest 5,000 TOTAL INCOME 100,000 Deductions: Business expenses $9,500 Itemized deductions 20,000 Personal exemption 3,900 Total Deductions 33,400 a. Compute Latesha's 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