(a) constructor which builds the frame shown on the right side. The frame consists of Action Action Convert Exit a pull-down menu "Action" with menu items "Convert" and "Exit" USD amount . a textfield to enter USD amount. Some text is in the text field to provide information to the user on what to input. The user needs to delete the text before entering the numbers. a label to display the amount of CNY (please use the exchange rate of 1 USD to exchange for 6.87 CNY) Copy the class, including import statement(s), as the answers to this part (b) actionPerformed ) : which perform necessary actions when each menu item is selected. When "Convert" is selected, the amount of CNY is calculated and displayed on the label. When "Exir" is selected, the program terminates.Action Copy the method as the answers to this part 100 687.0 (c) maino :which creates an USD2CNY object and sets it visible for testing. Copy the method as the answers to this part