5.3. Write a program that displays editable bar graphs. The GUI has two horizontal panels. The right panel contains textfields with numbers. The left panel contains corresponding horizontal bar graphs that graphically show the value of the numbers on the left. Use a rectangle with the width (in pixels) equal to the numbers from the textfield, but no higher than 100 pixels. The UI should look something like this: Use MVC and the Observer pattern. Store the numbers in the model. Attach the