Answer:
Procedural justice
Step-by-step explanation:
Based on the situation being described it can be said that Sally's dissatisfaction is consistent with research on Procedural justice. This is an area of research in the field of psychology that deals with the idea of fairness in the processes that resolve disputes and allocate resources. Such as in this case since the company provided a promotion (company resource) to someone other than Sally which she took as being unjust.