Answer:
Correct Answer is Maintenance and Food Services.
Explanation:
A company can outsource employees to do any of the tasks they are trained of, but commonly accounting and secretarial work is being done by the inside employees of the organization.
Maintenance and Food services are often outsourced. If there is any maintenance work required, people of the other companies are often called upon. Similarly, food companies are also outsourced to provide food for the employees in a general practice.
