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Math 110
Chapter 3.4 Homework
Name:________________________________
1.
Suppose a state has a “flat” income tax of 5% on amounts over $10k.
Fill in this table.
One example is shown so
you can figure out if your calculations are correct.
You may use a spreadsheet if your instructor allows it.
Income
Tax $ Amount
Overall Tax %
0
N/A
25000
50000
$2,000
4.00%
75000
100000
150000
200000
2.
Similarly, suppose the state has a “flat” income tax of 10% on amounts over $50k instead of the tax system
mentioned above.
Fill out this table:
Income
Tax $ Amount
Overall Tax %
0
N/A
25000
50000
75000
100000
$5,000
5.00%
150000
200000
3.
Similarly, suppose the state has a “flat” income tax of 15% on amounts over $100k, instead of the tax systems
mentioned above.
Fill out this table:
Income
Tax $ Amount
Overall Tax %
0
N/A
25000
50000
75000
100000
150000
$7,500
5.00%
200000
4.
Suppose that a group of 10 households has the following incomes:
3 households each make $25k/year
4 households each make $50k/year
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 Winter '08
 BLAIR
 Math

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