QUESTION 1 The menu at a lunch counter includes a variety of…

QUESTION 1 The menu at a lunch counter includes a variety of sandwiches, salads, and drinks. The menu also allows a customer to create a “trio,” which consists of three menu items: a sandwich, a salad, and a drink.  Each menu item has a name and a price. The three types of menu items are Sandwich, Salad and Drink. The price of the Trio is the sum of the two highest-priced items in the Trio; one item with the lowest price is free.   For example, assume that the menu includes the following items.  Example:   Return Trio student1Lunch = new Trio(“cheeseburger”, 2.75, “spinach salad”, 1.25, “orange soda”, 1.25) student1Lunch.computeMealPrice() 4.00 student1Lunch.displayMeal() cheeseburger/spinach salad/orange soda/4.00 student1Lunch.discount() 1.25 Write the Trio class below, it must fulfill all the implementation above.