/**
   A tax return of a taxpayer in 1992.
*/
class TaxReturn
{  
   /**
      Constructs a TaxReturn object for a given income and 
      marital status.
      @param anIncome the taxpayer income
      @param aStatus either SINGLE or MARRIED
   */   
   public TaxReturn(double anIncome, int aStatus)
   {  
      income = anIncome;
      status = aStatus;
   }

   public double getTax()
   {  
      double tax = 0;

      if (status == SINGLE)
      {  
         if (income <= SINGLE_CUTOFF1)
            tax = RATE1 * income;
         else if (income <= SINGLE_CUTOFF2)
            tax = SINGLE_BASE2
               + RATE2 * (income - SINGLE_CUTOFF1);
         else
            tax = SINGLE_BASE3
               + RATE3 * (income - SINGLE_CUTOFF2);
      }
      else
      {  
         if (income <= MARRIED_CUTOFF1)
            tax = RATE1 * income;
         else if (income <= MARRIED_CUTOFF2)
            tax = MARRIED_BASE2
               + RATE2 * (income - MARRIED_CUTOFF1);
         else
            tax = MARRIED_BASE3
               + RATE3 * (income - MARRIED_CUTOFF2);
      }

      return tax;
   }

   public static final int SINGLE = 1;
   public static final int MARRIED = 2;

   private static final double RATE1 = 0.15;
   private static final double RATE2 = 0.28;
   private static final double RATE3 = 0.31;

   private static final double SINGLE_CUTOFF1 = 21450;
   private static final double SINGLE_CUTOFF2 = 51900;

   private static final double SINGLE_BASE2 = 3217.50;
   private static final double SINGLE_BASE3 = 11743.50;
   private static final double MARRIED_CUTOFF1 = 35800;
   private static final double MARRIED_CUTOFF2 = 86500;
   
   private static final double MARRIED_BASE2 = 5370;
   private static final double MARRIED_BASE3 = 19566;

   private double income;
   private int status;
}