Answer: B.
Unlike hierarchical pay structures, the basic idea behind compressed pay structures is that similar pay levels should lead to higher levels of cooperation and better group and team performance.
Explanation: In hierarchical pay structure, payment is bases on rank, position and status in an organization. The higher the rank the higher the pay, this system pay more to staff ranked high with experience and qualification.
While the compressed pay structure operate a negligible difference in pay between staff who have differing skill set, qualification and experience.