Mordred had been sued by a former business partner. The partner was seeking $1,000,000 in damages. Mordred felt that this claim was totally unfair. He went to the law firm of Merlin, Guinevere, and Arthur, LLC. He was told that a junior associate could handle his case for $300 and hour or a senior partner could handle the case for $700 and hour. When he asked why there was such a difference in the rates, he was told that the senior partners were in such high demand that they were trying to discourage new clients. This is an example of _____________?