JUnit test neeeded for this program:

package PhotoFrame;

import javax.swing.$*$;

import java.awt.$*$;

import java.awt.event.$*$;

public class JPhotoFrame extends JFrame implements ItemListener $\{$

FlowLayout flow $=$ new FlowLayout$()$;

JCheckBox locBox $=$ new JCheckBox$("$On location", false$)$;

JCheckBox studioBox $=$ new JCheckBox$("$In studio", false$)$;

JCheckBox oneBox $=$ new JCheckBox$("$One human subject $",$ false$)$;

JCheckBox moreBox $=$ new JCheckBox$("$Two or more human subjects $",$ false$)$;

JCheckBox petBox $=$ new JCheckBox$("$Pet subject $",$ false$)$;

JLabel mainLabel $=$ new JLabel$("$Paula$\text{'}$s Portaits"$)$;

Font font $=$ new Font$("$Arial$",$ Font.ITALIC, $30)$;

JLabel label$2=$ new JLabel$("$Portrait fee"$)$;

JLabel label$1=$ new JLabel$("$Select options"$)$;

JTextField totPrice $=$ new JTextField$(10)$;

String output;

final double LOC$\_$PRICE $=90\mathrm{.}00$;

double ONE$\_$HUMAN$\_$SUBJECT$\_$PRICE $=40\mathrm{.}00,$ MORE$\_$HUMAN$\_$SUBJECTS$\_$PRICE $=75\mathrm{.}00$;

double PET$\_$SUBJECT$\_$PRICE $=95\mathrm{.}00$;

double locPrice $=0\mathrm{.}00$;

double subPrice $=0\mathrm{.}0$;

public JPhotoFrame$()\{$

setTitle$("$PhotoFrame$")$;

setLayout$($flow$)$;

add$($mainLabel$)$;

add$($label$1)$;

ButtonGroup gp $=$ new ButtonGroup$()$;

gp$.$add$($locBox$)$;

gp$.$add$($studioBox$)$;

locBox.addItemListener$($this$)$;

add$($locBox$)$;

studioBox.addItemListener$($this$)$;

add$($studioBox$)$;

oneBox.addItemListener$($this$)$;

add$($oneBox$)$;

moreBox.addItemListener$($this$)$;

add$($moreBox$)$;

petBox.addItemListener$($this$)$;

add$($petBox$)$;

add$($label$2)$;

add$($totPrice$)$;

setVisible$($true$)$;

$\}$

@Override

public void itemStateChanged$($ItemEvent check$)\{$

subPrice $=0$;

if $($studioBox$.$isSelected$())\{$

subPrice $=$ subPrice $+40\mathrm{.}00$;

$\}$ else if $($locBox$.$isSelected$())\{$

subPrice $=$ subPrice $+$ LOC$\_$PRICE;

$\}$

if $($oneBox$.$isSelected$())\{$

subPrice $=$ subPrice $+$ ONE$\_$HUMAN$\_$SUBJECT$\_$PRICE;

$\}$

if $($moreBox$.$isSelected$())\{$

subPrice $=$ subPrice $+$ MORE$\_$HUMAN$\_$SUBJECTS$\_$PRICE;

$\}$

if $($petBox$.$isSelected$())\{$

subPrice $=$ subPrice $+$ PET$\_$SUBJECT$\_$PRICE;

$\}$

totPrice.setText$($String$.$format$("\%\mathrm{.}2$f$",$ subPrice$))$;

$\}$

public static void main$($String$[]$ args$)\{$

JPhotoFrame frame $=$ new JPhotoFrame$()$;

frame.setSize$(320,250)$;

frame.setVisible$($true$)$;

frame.setDefaultCloseOperation$($JFrame$.$EXIT$\_$ON$\_$CLOSE$)$;

$\}$

$\}$