When dealing with a $$higher authority$$ response from the other side, one should do which of the following :

Group of answer choices

Try to pin them down with a question regarding a good deal that is on the table

Use higher authority yourself to negate their appeal to higher authority

Your higher authority should be very specific and at a very high level position in your firm to give you power

Both a and b are good approaches to deal with higher authority

None of these is a good response to this negotiations tactic