A used car dealer is trying to use hardball tactics against you. Which of the following responses would be an effective response to their hardball tactics?

Start using those same hardball tactics against the used car salesperson

Pretend you did not hear the person and ignore the hardball tactic altogether

Explicitly recognize the hardball tactic and expressly ask the dealer to negotiate in a different manner

A & B Only

All of the Above $($A$,$ B$,$ & $C)$ are effective response to their hardball tactics