A、The man would not save money with either option. B、He would be better off purchasing both. C、The answer depends on the price o

W: I really can’t stand the way David controls the conversation all the time. If he’s at the Christmas party, I just won’t come.
M: I’m sorry you feel that way, but my mother insists that he come.
Q: Why must David be invited to the party?

W: Which is better, buying a monthly bus pass or paying the fare each time?
M: What’s the difference? At the end of the month, they end up costing the same.
Q: What does the man mean?