Which of the following are examples of constraints that airline flight schedulers have to accommodate as a regular part of their jobs? Group of answer choices (A) The airline's flight crew and maintenance bases (B) Airport gates, landing and takeoff slots, and operating curfews (C) The airline's mix of aircraft paint jobs and logos following a merger with another airline (D) The airline's current stock price and number of outstanding shares (E) Answers A and B (F) Answers C and D