Can you help me asnwer this questions regarding Mean, median and mode? I'll put the questions below.

1. What is meant by the given statement: "If Senator Villar walked into the employees' union meeting this afternoon, the average income of the people in the room will increase by about one million pesos"? 2. If you were the bargaining agent for the Toyota Motors Company, would you use the mean or median to describe the "average" cost of a car unit to the prospective buyer? 3. Among the mean, median, and mode, what will you use to promote the most preferred weight-loss program of overweight clients