HW5.15

 public class Solution
 {
     public static void main(String[] args)
     {
         System.out.printf("%10s\t%10s\t%10s\t%10s\t%10s\n", "Taxable", "Single", "Married", "Married", "Head of");
         System.out.printf("%10s\t%10s\t%10s\t%10s\t%10s\n", "Income", " ", "Joint", "Separate", "a House");

         for(int i = 50000; i <= 60000; i += 50)
             System.out.printf("%10d\t%10f\t%10f\t%10f\t%10f\n", i, computeTax(0, 1.0 * i),
                 computeTax(1, 1.0 * i), computeTax(2, 1.0 * i), computeTax(3, 1.0 * i));
     }

     public static double computeTax(int status, double taxableIncome)
     {
         double tax = 0;

         if(status == 0)
         {
             if(taxableIncome <= 8350)
                 tax = taxableIncome * 0.1;
             else if(taxableIncome <= 33950)
                 tax = 8350 * 0.1 + (taxableIncome - 8350) * 0.15;
             else if(taxableIncome <= 82250)
                 tax = 8350 * 0.1 + (33950 - 8350) * 0.15 + (taxableIncome - 33950) * 0.25;
             else if(taxableIncome <= 171550)
                 tax = 8350 * 0.1 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (taxableIncome - 82250) * 0.28;
             else if(taxableIncome <= 372950)
                 tax = 8350 * 0.1 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (171550 - 82250) * 0.28 +
                 (taxableIncome - 171550) * 0.33;
             else
                 tax = 8350 * 0.1 + (33950 - 8350) * 0.15 + (82250 - 33950) * 0.25 + (171550 - 82250) * 0.28 +
                 (372950 - 171550) * 0.33 + (taxableIncome - 372950) * 0.35;
         }

         else if(status == 1)
         {
             if(taxableIncome <= 16700)
                 tax = taxableIncome * 0.1;
             else if(taxableIncome <= 67900)
                 tax = 16700 * 0.1 + (taxableIncome - 16700) * 0.15;
             else if(taxableIncome <= 137050)
                 tax = 16700 * 0.1 + (67900 - 16700) * 0.15 + (taxableIncome - 67900) * 0.25;
             else if(taxableIncome <= 208850)
                 tax = 16700 * 0.1 + (67900 - 16700) * 0.15 + (137050 - 67900) * 0.25 +
                 (taxableIncome - 137050) * 0.28;
             else if(taxableIncome <= 372950)
                 tax = 16700 * 0.1 + (67900 - 16700) * 0.15 + (137050 - 67900) * 0.25 +
                 (208850 - 137050) * 0.28 + (taxableIncome - 208850) * 0.33;
             else
                 tax = 16700 * 0.1 + (67900 - 16700) * 0.15 + (137050 - 67900) * 0.25 +
                 (208850 - 137050) * 0.28 + (372950 - 208850) * 0.33 + (taxableIncome - 372950) * 0.35;
         }

         else if(status == 2)
         {
             if(taxableIncome <= 8350)
                 tax = taxableIncome * 0.1;
             else if(taxableIncome <= 33950)
                 tax = 8350 * 0.1 + (taxableIncome - 8350) * 0.15;
             else if(taxableIncome <= 68525)
                 tax = 8350 * 0.1 + (33950 - 8350) * 0.15 + (taxableIncome - 33950) * 0.25;
             else if(taxableIncome <= 104425)
                 tax = 8350 * 0.1 + (33950 - 8350) * 0.15 + (68525 - 33950) * 0.25 + (taxableIncome - 68525) * 0.28;
             else if(taxableIncome <= 186475)
                 tax = 8350 * 0.1 + (33950 - 8350) * 0.15 + (68525 - 33950) * 0.25 + (104425 - 68525) * 0.28 +
                 (taxableIncome - 104425) * 0.33;
             else
                 tax = 8350 * 0.1 + (33950 - 8350) * 0.15 + (68525 - 33950) * 0.25 + (104425 - 68525) * 0.28 +
                 (186475 - 104425) * 0.33 + (taxableIncome - 186475) * 0.35;
         }

         else if(status == 3)
         {
             if(taxableIncome <= 11950)
                 tax = taxableIncome * 0.1;
             else if(taxableIncome <= 45500)
                 tax = 11950 * 0.1 + (taxableIncome - 11950) * 0.15;
             else if(taxableIncome <= 117450)
                 tax = 11950 * 0.1 + (45500 - 11950) * 0.15 + (taxableIncome - 45500) * 0.25;
             else if(taxableIncome <= 190200)
                 tax = 11950 * 0.1 + (45500 - 11950) * 0.15 + (117450 - 45500) * 0.25 +
                 (taxableIncome - 117450) * 0.28;
             else if(taxableIncome <= 372950)
                 tax = 11950 * 0.1 + (45500 - 11950) * 0.15 + (117450 - 45500) * 0.25 +
                 (190200 - 117450) * 0.28 + (taxableIncome - 190200) * 0.33;
             else
                 tax = 11950 * 0.1 + (45500 - 11950) * 0.15 + (117450 - 45500) * 0.25 +
                 (190200 - 117450) * 0.28 + (372950 - 190200) * 0.33 + (taxableIncome - 372950) * 0.35;
         }

         return tax;
     }
 }