What Is the Most Important Idea for Managers to Remember

What is the most important idea for managers to remember from equity theory?

A) People who feel underrewarded may try to decrease the inequity by increasing their inputs.
B) Employees must receive equal rewards irrespective of their overall performance.
C) For rewards to motivate employees, employees must perceive them as being fair.
D) Employees must consider their inputs equal to the inputs of their colleagues.
E) Employees must consider their outcomes equal to the outcomes of their colleagues.