Equity theory posits that people value fair treatment, which motivates them to maintain a similar standard of fairness with their co$-$workers and the organization.So a fair balance is needed for production unit also then only outcome can be improved.One of the biggest reasons for issues with employee productivity or morale is when employees feel that their company lacks fairness.

If Sophia doesn't make a change in summer hours that will affect motivation of production staff and conflicts arises and affects productivity and office staff become superior and they utilize the summer hours and their performance and outcome also affected