Answer:
Culture.
Step-by-step explanation:
Culture is defined as the way a group of people or an organisation behave, including their beliefs, values and symbols which are generally accepted in the group.
These acceptable behaviour are communicated to the members of the group, it is also passed along to future generations.
The company Christy works for believe that when they are pressed for time all employees must work together to get the job done. This is even when they have to work overtime.
This is the culture of the company.