Are the rituals and ceremonies of a company, as well as the manner of dress, awards, myths and stories told about a company.
a. Invisible artifacts of that industry's culture and values
b. Espoused values of organizational culture
c. Observable artifacts of organizational culture
d. Basic assumptions about organizational culture
e. Enacted values of organizational culture

c. Observable artifacts of organizational culture

Explanation:

The rituals and the ceremonies are the religious rites and ways of celebrating, myths and stores and are the ways of interacting that are unique to the social and the psychological environment of business. The organization can influence the ways how people interact and ways they share the knowledge, beliefs, and national culture and technology.  And is also known by a pattern of the collective behavior that are taught to the company interacting with the clients and the shareholders etc.

The answer should be a.