Which of the following statements is/are correct?

A. In a canteen, lunch roomor cafeteria, the menu would probably be displayed as a list of items with prices on a board

B. In institutions like hostels and hospitals, menus are charted out for a week or ten days in advance

C. In these institutional menus, it is not the practice to indicate pricesor portions because these establishments are generally non-profit making

D. All of the above

Answer: Option D