36. Expository Writing Does the concept of a flat income tax meet the three criteria for effective taxes? Write a brief summary of your findings and use it to either sup- port or oppose such a proposal. 37. After deductions and exemptions, Mindy's unmarried brother had taxable income of $98,000 in 2006. According to the tax table in Figure 9.7 on page 249, what will he owe in federal income taxes? What did he pay in Social Security taxes? What did he pay in Medicare taxes? If taxable income But not over . . . The tax is: is over . . . $0 $7,550 10% of the amount over $0 $7,550 $30,650 $755 plus 15% of the amount over $7,550 $30,650 $74,200 $4,220 plus 25% of the amount over $30,650 $74,200 $154,800 $15,107.50 plus 28% of the amount over $74,200 $154,800 $336,550 $37,675.50 plus 33% of the amount over $ 154,800 $336,550 no limit $97,653.00 plus 35% of the amount over $336,550 38. Look at Figure 9.3 and compare the reve- nue from the various sources for the years 2001 and 2007. In which categories did revenues decrease? How did the federal government make up these decreases? Figure 9.3 Federal Government Revenue Sources 2001 2007 34.9% Social security taxes 31.9% 7.6% Corporate income taxes 9.4% 3.3% Excise taxes 2.7% -1.0% Customs duties 1.0% 1.4% Estate and gift taxes 0.9% 0% Borrowing 12.8% 1.9% Miscellaneous 1.7% 49.9% Individual income taxes 39.6%