import java.util.Scanner;

/**
   This program updates an account balance, according to the table below:
         Balance      Interest Rate    Charge
     > $100,000.00   2.75 %        $ 0.00
     > $25,000.00    2.00 %        $ 0.00
     > $10,000.00    1.00 %        $ 0.00
    >= $0.00             0.00 %        $ 0.00
     < $0.00             0.00 %       $ 25.00
   and prints out the new balance.
*/
public class BankInterest
{
   public static void main(String[] args)
   {
      // Define constants
      final double HI_RATE = 2.75;
      final double MD_RATE = 2.00;
      final double LO_RATE = 1.00;
      final double ZERO_RATE = 0.00;
      final double DEB_CHG = -25.00;

      final double HI_LIMIT = 100000.00;
      final double MD_LIMIT = 25000.00;
      final double LO_LIMIT = 10000.00;
      final double ZERO_LIMIT = 0.00;

      // Print prompt to enter a current balence
      System.out.print("Enter current balance: ");

      // Read balance
      Scanner in = new Scanner(System.in);
      double balance = in.nextDouble();

      // Determine interest rate (or charge) based on current balance
      //   to compute new balance
      double newBalance = 0;
      if(balance < ZERO_LIMIT)
         newBalance = balance + DEB_CHG;
      else if(balance >= ZERO_LIMIT && balance <= LO_LIMIT)
         newBalance = balance * (1+ZERO_RATE/100);
      else if(balance > LO_LIMIT && balance <= MD_LIMIT)
         newBalance = balance * (1+LO_RATE/100);
      else if(balance > MD_LIMIT && balance <= HI_LIMIT)
         newBalance = balance * (1+MD_RATE/100);
      else if(balance > HI_LIMIT)
         newBalance = balance * (1+HI_RATE/100);

      System.out.printf("%.2f\n", newBalance);
   }
}