Answer:
a. organizational restructuring
Explanation:
Organizational restructuring is an action that is taken by a company to make changes to the financial, human resource, and operational structures of the the company.
Organizational restructuring is usually done when the company is facing financial constraints, just as can be observed in the questions above.
This restructuring is usually done on order to make the company more profitable or to adapt the organization to the present needs of the times, for example, replacing workers with machines.