The levels of organisational culture are:

a. external environment and internal environment.
b. observable artefacts, espoused values, and basic underlying assumptions.
c. strategy, mission, and values. identity, commitment, and stability.
d. espoused values and enacted values.

The correct answer is B. observable artifacts, espoused values, and basic underlying assumptions.

Explanation:

ARTEFACTS: It is the most visible level of culture, as opposed to the physical structure of the company and its members; There is the physical environment of the organization, its architecture, the furniture, the equipment, the costumes of the members, the pattern of behavior, document, records, among others. THE VALUES: They are aimed at the behavior of the members of the company. they are the social principles, philosophies, standards and goals, which have intrinsic value. ASSUMPTIONS: They are representations of the beliefs that are held about human nature and reality. These have the key to understanding, understanding and changing the culture of an organization. They also appear when a proposal for a solution to a problem is presented repeatedly, which over time ends up being accepted as real.

The answer should be a.