It is the cost of activities aimed at affecting the distribution of benefits in an organization. This is usually something that the managers have to think about especially when they are trying to convince the bosses and the rest of the organization about the costs that they have to spend on.
They can show that they are successful if the bosses will give a nod in their favor with regards to what they have prepared. This means that the cost is directed internally. It is meant to improve the company from within. This is not related to the cost of recruiting new employees, and all of the other choices mentioned.