Empire Airlines reports the following cost data for the year. The company flew 100 private flights during the year. A group has offered Empire $12,800 for a private flight to Chicago for its members. (a) What is the contribution margin from accepting the offer? (b) Should the offer be accepted or rejected? Complete this question by entering your answers in the tabs below. What is the contribution margin from accepting the offer? (Note: A negative contribution margin should be entered as a negative number and will appear in parentheses.) What is the contribution margin from accepting the offer? (Note: A negative contribution margin should be entered as a negative number and will appear in parentheses.)