Answer:
c. opportunity cost
Explanation:
opportunity cost is the economic term for the value od the second-best ternative that an individual gives up when making a choice
Being cheap in front of superiors it is very common in local managers. Mostly managers who are greedy to be ranked higher or get promoted. They think when they will obsequious their higher authorities they will be happy to see them and think about their loyalty and they will promote them.
To avoid this kind of behavior companies should appoint only educated and talented persons having self-respect after taking interviews. When a company recruits the managers, it is company duty to train their employees in professional ethics and teach them a proper way of doing a job with self-respect. Higher authorities should demoralize them with this kind of soapy behaviors.
Well the class structure was lords then samurais then farmers. How it stabilized society was it set a strict code to follow for each of the classes and they followed that. How it unified? I'm not so sure but my guess is that every person in each class fought for their power like the lords or for their land like the farmers.