Asap jnjnknhbu typical starting salary: $66,640 2013 u. s. federal income tax rates for single adults • 10% on taxable income from $0 to $8,925, plus • 15% on taxable income over $8,925 to $36,250, plus • 25% on taxable income over $36,250 to $87,850, plus • 28% on taxable income over $87,850 to $183,250, plus • 33% on taxable income over $183,250 to $398,350, plus • 35% on taxable income over $398,350 to $400,000, plus • 39.6% on taxable income over $400,000. question 1 find your annual income tax based on this rate schedule. question 2 find your annual social security tax (6.2 percent of total income). question 3 find your annual medicare tax (1.45 percent of total income). question 4 now find your net annual income after taxes (subtract your federal income tax, social security tax, and medicare tax, from your annual salary.