George has been working as a laborer at a construction company for five years. he is very diligent on the job and has never been late. as his skills have grown, he has become more like the manager of the work crew. he makes sure everyone has the correct tools and information to do their jobs effectively. george is a real asset to the team. today, george shows up at work to discover a work crew manager has been hired to oversee the crew. he discovers that the new manager is paid $20 an hour. to apply equity theory, what additional information do we need?