What Are Selling,general and Administrative Costs Considered "Sticky

Multiple Choice

What are selling,general and administrative costs considered "sticky?"

A) These costs increase more when sales increase than they decrease when sales decrease by the same amount.
B) These costs increase less when sales increase than they decrease when sales decrease by the same amount.
C) These costs increase the at the same rate when sales increase and decrease at the same rate when sales decrease by the same amount.
D) None of the answers are correct.