DiscountedItem.java

  // DiscountedItem inherits from Item
public class DiscountedItem extends Item{
   // add an instance variable for the discount

   // Add constructors that call the super constructor

   // Add get/set methods for discount
   public double getDiscount(){
      return 0.0; // return discount here instead of 0
   }

   // Add a toString() method that returns a call to the super toString
   // and then the discount in parentheses using the super.valueToString() method

}