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TicketsRUs needs an application to calculate ticket prices. There are three ticket prices:

• Orchestra $90 each
• Mezzanine $75 each
• Balcony $50 each

There is also a 20% discount on matinee performances .

Your application has the GUI shown below.

With the following named components:

Component Type Purpose
txtNum JTextField Input for number of tickets
chkMatinee JCheckBox Check if matinee performance
radOrchestra JRadioButton Check for orchestra tickets
radMezzanine JRadioButton Check for mezzanine tickets
radBalcony JRadioButton Check for balcony tickets
btnCalc JButton Click to calculate price
txtEach JTextField Displays price of each ticket
txtTotal JTextField Displays total price

Clicking the CalcPrice button should determine the price per ticket and the total price based on the user’s input and display in txtEach and txtTotal. You should make sure the number of tickets is entered and a ticket type is selected, otherwise give an error message.

The action listener for btnCalc is set up as follows.
btnCalc.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
calcPrice(); //write the code for this method

Write the calcPrice method that is called by the action listener. This class method has access to all of the GUI components. You DO NOT HAVE TO CODE THE GUI. ONLY write the code for this method which does all the work. The header for the method is:

private void calcPrice()

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