The United States federal personal income tax is calculated based on filing stat

Question

The United States federal personal income tax is calculated based on filing

status and taxable income. There are four filing statuses: single

filers

,

married filing jointly, married filing separately, and head of household. The

tax rates

vary every year. Table 3.2 shows the rates

for 200

9

. If you are,

say, single with a taxable income of $10,000, the first $

8

,

35

0 is taxed at

10% and the other $

1

,

65

0 i

s taxed at 15%. So

,

your tax is $1,

082

.

5.

Table

1

200

9

U.S. Federal Personal Tax Rates

Marginal

Tax Rate

Single

Married Filing Jointly or

Qualified Widow(er)

Married Filing

Separately

Head of Household

10%

$0

–

$8,350

$0

–

$16,700

$0

–

$8,350

$0

–

$11,950

15%

$8,351

–

$33,950

$16,701

–

$67,900

$8,351

–

$33,950

$11,951

–

$45,500

25%

$33,951

–

$82,250

$67,901

–

$137,050

$33,951

–

$68,525

$45,501

–

$117,450

28%

$82,251

–

$171,550

$137,051

–

$208,850

$68,525

–

$104,425

$117,451

–

$190,200

33%

$171,551

–

$372,950

$208,851

–

$372,950

$104,426

–

$186,475

$190,201

-

$372,950

35%

$372,951+

$372,951+

$186,476+

$372,951+

You are to

write a program to compute personal income tax. Your program should prompt the

user to enter the filing status and taxable income and compute the tax. Enter

0

for single filers,

1

for married filing jointly,

2

for married filing separately, and

3

for head

of household.

Here are sample runs of the program:

Sample 1:

Enter the filing status:

0

Enter the taxable income:

100000

Tax is 21720.0

Sample 2:

Enter the filing status:

1

Enter the taxable income:

300339

Tax is

76932

.87

Sample 3:

Enter the filing status:

2

Enter the taxable income:

123500

Tax is 29665.5

Sample 4:

Enter the filing status:

3

Enter the taxable income:

4545402

Tax is 1565250.7

Explanation / Answer

import java.text.NumberFormat;
import java.util.Scanner;

public class lab3 {

public static void main(String[] args) {
// TODO Auto-generated method stub
// Create a Scanner
Scanner input = new Scanner(System.in);

// Prompt the user to enter filing status
System.out.print(" 0-single filersn 1-married filing jointly or" +
"qualified widow(er)n 2-married filing seperatelyn 3-head of" +
"householdn Enter your filing status: ");

int status = input.nextInt();

if (!(status == 0 || status == 1 || status == 2 || status == 3)){
System.out.println((" Incorrect filing status! Please try again."));
System.exit(1);
}

// Prompt user to enter taxable income
System.out.print(" Enter your taxable income: ");
double income = input.nextDouble();

switch (status) {
case 0:
income = getTax(income, 9075, 36900, 89350, 186350, 405100, 406750);
break;
case 1:
income = getTax(income, 18150, 73800, 148850, 226850, 405100, 457600);
break;
case 2:
income = getTax(income, 9075, 36900, 74425, 113425, 202550, 228800);
break;
case 3:
income = getTax(income, 12950, 49400, 127550, 206600, 405100, 432200);
break;

}
}

public static double getTax(double income, double upperBracket10, double upperBracket15,
double upperBracket25, double upperBracket28, double upperBracket33, double upperBracket35) {
double tax = 0;


if (income <= upperBracket10)
tax = income * 0.10;
else if (income <= upperBracket15)
tax = upperBracket10 * 0.10 + (income - upperBracket10) * 0.15;
else if (income <= upperBracket25)
tax = upperBracket10 * 0.10 + (upperBracket15 - upperBracket10) * 0.15 +
(income - upperBracket15) * 0.25;
else if (income <= upperBracket28)
tax = upperBracket10 * 0.10 + (upperBracket15 - upperBracket10) * 0.15 +
(upperBracket25 - upperBracket15) * 0.25 + (income - upperBracket25) *0.28;
else if (income <= upperBracket33)
tax = upperBracket10 * 0.10 + (upperBracket15 - upperBracket10) * 0.15 +
(upperBracket25 - upperBracket15) * 0.25 + (186350 - upperBracket25) * 0.28 +
(income - upperBracket28) * .33;
else if (income <= upperBracket35)
tax = upperBracket10 * 0.10 + (upperBracket15 - upperBracket10) * 0.15 +
(upperBracket25 - upperBracket15) * 0.25 + (upperBracket28 - upperBracket25) * 0.28 +
(upperBracket33 - upperBracket28) * .33 + (income - upperBracket33) * 0.35;
else
tax = upperBracket10 * 0.10 + (upperBracket15 - upperBracket10) * 0.15 +
(upperBracket25 - upperBracket15) * 0.25 + (upperBracket28 - upperBracket25) * 0.28 +
(upperBracket33 - upperBracket28) * .33 + (upperBracket35 -upperBracket33) * 0.35 +
(income - upperBracket35) *0.396;

return tax;


}
}

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