Monthly Sales Tax Program plan: Import the required packages. Define a frame named “MonthlySalesTax”. Declare a JPanel named “panel”. Declare a JTextFeild named “JTextFeild”. Declare a JButton “salestaxButton”. Declare the variables for window height and width. Define a method “MothlySalesTax()”. Set the title for the window. Set the size and width of the window. Call the function “buildPanel()” for creating panel. Call the function “add()” for adding the panel to the frame. Set the window as visible. Define a function “buildPanel()”. Create a label variable. Create a text field. Create a button “salestaxButton”. Register the created button for handling events. Create the object of JPanel. Add the created components to the panel. Define a class “CalculateMST”. Define the method “actionPerformed” for handling the events. Declare the required variables. Get the value for variable “input” from the user. Calculate the country tax. Calculate the state tax. Calculate the total tax. Print the calculated values in a message box. Define a class “SalesTax”. Define the main method. Create the object of “MonthlySalestax”.

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Chapter 12, Problem 2PC

Program Plan Intro

Monthly Sales Tax

Program plan:

Import the required packages.

Define a frame named “MonthlySalesTax”.

Declare a JPanel named “panel”.

Declare a JTextFeild named “JTextFeild”.

Declare a JButton “salestaxButton”.

Declare the variables for window height and width.

Define a method “MothlySalesTax()”.

Set the title for the window.

Set the size and width of the window.

Call the function “buildPanel()” for creating panel.

Call the function “add()” for adding the panel to the frame.

Set the window as visible.

Define a function “buildPanel()”.

Create a label variable.

Create a text field.

Create a button “salestaxButton”.

Register the created button for handling events.

Create the object of JPanel.

Add the created components to the panel.

Define a class “CalculateMST”.

Define the method “actionPerformed” for handling the events.

Declare the required variables.

Get the value for variable “input” from the user.

Calculate the country tax.

Calculate the state tax.

Calculate the total tax.

Print the calculated values in a message box.

Define a class “SalesTax”.

Define the main method.

Create the object of “MonthlySalestax”.

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