There is a basic principle that companies rely on for building an internally consistent compensation system. This

principle states that

A$.$ the relative value of each job should be based on the academic qualifications required to perform the job

B$.$ all employees should be paid equally

C$.$ the greater the responsibilities and complexities of a job the greater the pay

D$.$ jobs should be ranked on the basis of seniority

E$.$ there is very little difference in job characteristics between jobs that fall within a job family