Engineering Economic Analysis

--,

1975 1980 1985

Year

1990

FIGURE 12-1 Maximum federal income tax rates for individuals.

TABLE12-1 2003 Tax Rates for Single Taxpayers

Taxable Income Tax

TABLE12-2 2003 Tax Rates for Married Individuals Filing Jointly

376 INCOME TAXES

100

90

80

'-"^70

£

60

50

e

S 40

.>(

30

20

10

0

1960 1965 1970

Over But Not Over Base Tax Plus On Income Over

$^0 $ 6,000 $ 0.00 10% $ 0

6,000 28,400 600.00 15% 6,000

28,400 68,800 3,960.00 27% 28,400

68,800 143,500 14,868.00 30% 68,800

143,500 311 ,950 37,278.00 35% 143,500

Over 311,950 96,235.50 38.6%. 311,950

'.Taxable Income Tax

Over But Not Over Base Tax Plus On Income Over

$^0 $ 17,000 $ 0.00 10% $ 0

12,000 47,450 1,200.00 15% 12,000

47,450 114,650 6,517.50 27% 47,45

114,650 174,700 24,661.50 30% 114,650

174,700 311,950 42,676.50 35% 174,700

Over 311,950 90,714.00 38.6% 311,950. .....

..>.