Java-Home-Task/USATax.java at master · nafisfaysal/Java-Home-Task · GitHub

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import java.util.Scanner;

public class USATax{
    public static void main(String[] args) {
        //create Scanner
        Scanner input = new Scanner(System.in);

        //promt the user to enter filing status
        System.out.print("(0- single filter, 1 -marriged jointly or " + "qulalifying wido(er), 2-married separtely, 3 -head of " + "household) Enter the filing status: )");

        int status = input.nextInt();

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

        //computer tax
        double tax = 0;
        if (status == 0) {
            if (income <= 8350) {
                tax = income * 0.10;
            } else if (income <= 33950) {
                tax = 8350 * 0.10 + (income - 8350) * 0.15;
            } else if (income <= 82250) {
                tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (income - 33950) * 0.25;
            } else if (income <= 171550) {
                tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (income - 82250) * 0.28;
            } else if (income <= 372950) {
                tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (income - 82250) * 0.28 + (372950 - 171550) * 0.33 + (income - 372950) * 0.35;
            }
        } else if (status == 1) {
            if (income <= 16700) {
                tax = income * 0.10;
            } else if (income <= 67900) {
                tax = 8350 * 0.10 + (income - 8350) * 0.15;
            } else if (income <= 137050) {
                tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (income - 33950) * 0.25;
            } else if (income <= 208850) {
                tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (income - 82250) * 0.28;
            } else if (income <= 372950) {
                tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (income - 82250) * 0.28 + (372950 - 171550) * 0.33 + (income - 372950) * 0.35;
            }
        } else if (status == 2) {
            if (income <= 8350) {
                tax = income * 0.10;
            } else if (income <= 33950) {
                tax = 8350 * 0.10 + (income - 8350) * 0.15;
            } else if (income <= 68525) {
                tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (income - 33950) * 0.25;
            } else if (income <= 104425) {
                tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (income - 82250) * 0.28;
            } else if (income <= 186475) {
                tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (income - 82250) * 0.28 + (372950 - 171550) * 0.33 + (income - 372950) * 0.35;
            }else if(status == 3){
                if (income <= 8350) {
                    tax = income * 0.10;
                } else if (income <= 33950) {
                    tax = 8350 * 0.10 + (income - 8350) * 0.15;
                } else if (income <= 68525) {
                    tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (income - 33950) * 0.25;
                } else if (income <= 104425) {
                    tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (income - 82250) * 0.28;
                } else if (income <= 186475) {
                    tax = 8350 * 0.10 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (income - 82250) * 0.28 + (372950 - 171550) * 0.33 + (income - 372950) * 0.35;
            }else{
                System.out.println("Error: invalid status");

                }

        }
    }
}