Answer:
c. renewed concentration of authority in the hands of top managers
Explanation:
Empowerment can simply be explained as the authority given to someone to do something , meaning that the person has autonomy to do the thing.
It can further be explained in business term as the process of giving ideas, skills, authority and opportunity to the employees , in order to make them more productive.
In this case, when the employees are empowered ,it will help the top managers to be respected and regarded as the authority, and this will subsequently enhance or boost the organizational effectiveness.