Why Did Citigroup Implement a Statement of Cultural and Ethical

Why did Citigroup implement a statement of cultural and ethical values after being stung by a series of scandals?

A) A formal statement of the company's values relates to the unobservable but important organizational culture.
B) A formal statement of values can serve as a fundamental organizational document that defines what the organization stands for.
C) A formal statement addresses ethical values rather than specific behaviours.
D) A formal statement is often part of a larger mission statement and therefore is taken for granted.