F

import java.text.*;
public class PolyMorphicDemo
{
  public static void main(String[]args) {
    RetailItem cd = new CompactDisc("Coloring Book", "Chancer the Rapper", 16.95);
    DVD dvd = new DVD("Greatest hits", 137, 1016.95);
    System.out.println("Item 1: " + cd.getRetailPrice());
    showPrice(cd);
    System.out.println("Item 2: " + dvd.getTitle());
    showPrice(dvd);
  }
  private static void showPrice(RetailItem item)
  {
    DecimalFormat dollar = new DecimalFormat("#, ###.00");
    System.out.println("Price: $" + dollar.format(item.getRetailPrice()));
  }
}