Which of the following is/are covered under the Fair Labor S…

Which of the following is/are covered under the Fair Labor Standards Act?  1.  Applies to employers involved in interstate commerce (doing business in more than one state) 2.  Includes child labor laws, federal minimum wage, and overtime requirements 3.  Pay at least one and a half times regular rate over 40 hours in one workweek 4.  Workweek is a seven-day (or 186-hour) period that can start at any time