John is out to dinner and is presented a menu of items that contains a beef dish and a chicken dish and John chooses the beef dish. Before the server walks away with John's order, she remembers that the menu is actually out of date, and a fish dish is available, as well. (a) Suppose that John remains with his original order of the beef dish. What does this imply about John's preferences for all three dishes? (b) Suppose that John switches his order to the fish dish. What does this imply about John's preferences for all three dishes? (c) Suppose that John switches his order to the chicken dish. What does this imply about John's preferences for all three dishes