Answer:
The correct answer is the option E: Unrealistic performance goals.
Explanation:
To begin with, in the particular situation that the executive board of a company knows about the market size decrease for its products and still want to encourage their salespeople to encounter a higher target regarding the previous one, then the company is ahead of unrealistic performance goals and should understand the fact that if the employees do not achieve their goals as planned then they might try to play unfair and start to behave unethical because they will not want to lose their job. Therefore that Bryan acted in a an unethical way in order to meet the target established by the company in a particulary drastic situation.