Answer:
b. retention of control
Step-by-step explanation:
Multi-Sites are additional locations beside the parent site that can operate semi-independently.
Components including instructional staff, policies and procedures, billing etc. at these sites can be different or the same as the of parent site.
Multi-Sites get a certificate and are registered on the website .
Programs can have an infinite number of multi-sites .
However, major demerit of multisite type of expansion is thet it leads to retention of control.