One year ago, Bird and Chun LLP (B&C) set up a public practice firm in Oshawa, Ontario, a prosperous car manufacturing town outside of Toronto. After obtaining a few small clients, B&C has finally managed to obtain one major audit client, Parts R Us, a large manufacturer of car parts, from whom B&C will receive the majority of its income. As Oshawa is a small town, some of B&C's smaller clients are also customers of Parts R Us.Which of following statements best applies to B&C's situation?

a) There is a potential for a self-interest threat.

b) There is a potential for an intimidation threat.

c) There is a potential for a self-review threat.

d) There is a potential for an advocacy threat