Debug Please

[308holes]

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.text.*;

public class Charge extends Applet implements ActionListener
{
  Label lblPackage_ID = new Label("Package ID# ");
  Label lblPackage_Pounds = new Label("Package Pounds");
  Label lblPackage_Ounces = new Label("Package Ounces");
  Label lblPackage_Pounds_Total = new Label(" ");
  Label lblPackage_Ounces_Total = new Label(" ");
  Label lblError = new Label("Error");
  TextField txtPackage_ID = new TextField("154496P");
  TextField txtPounds = new TextField("0");
  TextField txtOunces = new TextField("5");
  Button btnCalculate = new Button("Calculate");
  //Declair Var's
  final float fltSCharge = 0.12f;
  final float fltCharge = 1.92f;
  float fltPounds_Calculation;
  float fltOunces_Calculation;
  String strPounds;
  String strOunces;

  public void init()
  {
    setBackground(Color.darkGray);
    add(lblPackage_ID);
    add(txtPackage_ID);
    add(lblPackage_Pounds);
    add(txtPounds);
    add(lblPackage_Ounces);
    add(txtOunces);
    add(btnCalculate);
    lblError.setForeground(Color.red);
    add(lblError);
    add(lblPackage_Pounds_Total);
    add(lblPackage_Ounces_Total);
  }
  public void actionPerformed(ActionEvent p1)
  {

    float fltPounds = Float.valueOf(txtPounds.getText()).floatValue();
    float fltOunces = Float.valueOf(txtOunces.getText()).floatValue();
    NumberFormat fmtDecimal = NumberFormat.getInstance();
    fmtDecimal.setMaximumFractionDigits(2);
    fmtDecimal.setMinimumFractionDigits(2);
    NumberFormat fmtCurrency = NumberFormat.getCurrencyInstance();
    if (fltPounds > 0)
    {
      fltPounds_Calculation = fltPounds * fltCharge;
    }
    if (fltOunces > 0)
    {
      fltOunces_Calculation = fltOunces * fltSCharge;
    }
    strPounds = String.valueOf(fltPounds_Calculation);
    strOunces = String.valueOf(fltOunces_Calculation);
    lblPackage_Pounds_Total.setText(strPounds);
    lblPackage_Ounces_Total.setText(strOunces);

  }
}

Its not displaying the Result in the Labels?